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Finding the Fourth Proportional to 3,669,259.30, 5,503,888.95 and 973,579.30

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Solution

The fourth proportional to 3,669,259.30, 5,503,888.95 and 973,579.30 is: 1,460,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,259.30 : 5,503,888.95 = 973,579.30 : x
  2. Step 2: Convert to fraction form
    3,669,259.30/5,503,888.95 = 973,579.30/x
  3. Step 3: Cross multiply
    3,669,259.30x = 5,503,888.95 × 973,579.30
  4. Step 4: Simplify right side
    3,669,259.30x = 5,358,472,351,218.74
  5. Step 5: Solve for x
    x = 5,358,472,351,218.74/3,669,259.30
  6. Step 6: Final answer
    x = 1,460,368.95

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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.