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Finding the Fourth Proportional to 3,669,259.10, 5,503,888.65 and 973,579.10

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Solution

The fourth proportional to 3,669,259.10, 5,503,888.65 and 973,579.10 is: 1,460,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,259.10 : 5,503,888.65 = 973,579.10 : x
  2. Step 2: Convert to fraction form
    3,669,259.10/5,503,888.65 = 973,579.10/x
  3. Step 3: Cross multiply
    3,669,259.10x = 5,503,888.65 × 973,579.10
  4. Step 4: Simplify right side
    3,669,259.10x = 5,358,470,958,367.22
  5. Step 5: Solve for x
    x = 5,358,470,958,367.22/3,669,259.10
  6. Step 6: Final answer
    x = 1,460,368.65

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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.