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Finding the Fourth Proportional to 514,167.40, 771,251.10 and 514,167.40

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Solution

The fourth proportional to 514,167.40, 771,251.10 and 514,167.40 is: 771,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,167.40 : 771,251.10 = 514,167.40 : x
  2. Step 2: Convert to fraction form
    514,167.40/771,251.10 = 514,167.40/x
  3. Step 3: Cross multiply
    514,167.40x = 771,251.10 × 514,167.40
  4. Step 4: Simplify right side
    514,167.40x = 396,552,172,834.14
  5. Step 5: Solve for x
    x = 396,552,172,834.14/514,167.40
  6. Step 6: Final answer
    x = 771,251.10

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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.