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Finding the Fourth Proportional to 3,669,279.10, 5,503,918.65 and 973,599.10

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Solution

The fourth proportional to 3,669,279.10, 5,503,918.65 and 973,599.10 is: 1,460,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,279.10 : 5,503,918.65 = 973,599.10 : x
  2. Step 2: Convert to fraction form
    3,669,279.10/5,503,918.65 = 973,599.10/x
  3. Step 3: Cross multiply
    3,669,279.10x = 5,503,918.65 × 973,599.10
  4. Step 4: Simplify right side
    3,669,279.10x = 5,358,610,244,113.22
  5. Step 5: Solve for x
    x = 5,358,610,244,113.22/3,669,279.10
  6. Step 6: Final answer
    x = 1,460,398.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.