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Finding the Fourth Proportional to 531,468,559.60, 797,202,839.40 and 457,491,972.40

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Solution

The fourth proportional to 531,468,559.60, 797,202,839.40 and 457,491,972.40 is: 686,237,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,468,559.60 : 797,202,839.40 = 457,491,972.40 : x
  2. Step 2: Convert to fraction form
    531,468,559.60/797,202,839.40 = 457,491,972.40/x
  3. Step 3: Cross multiply
    531,468,559.60x = 797,202,839.40 × 457,491,972.40
  4. Step 4: Simplify right side
    531,468,559.60x = 364,713,899,399,986,432
  5. Step 5: Solve for x
    x = 364,713,899,399,986,432/531,468,559.60
  6. Step 6: Final answer
    x = 686,237,958.60

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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.