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Finding the Fourth Proportional to 337,498.40, 506,247.60 and 317,815.40

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Solution

The fourth proportional to 337,498.40, 506,247.60 and 317,815.40 is: 476,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,498.40 : 506,247.60 = 317,815.40 : x
  2. Step 2: Convert to fraction form
    337,498.40/506,247.60 = 317,815.40/x
  3. Step 3: Cross multiply
    337,498.40x = 506,247.60 × 317,815.40
  4. Step 4: Simplify right side
    337,498.40x = 160,893,283,493.04
  5. Step 5: Solve for x
    x = 160,893,283,493.04/337,498.40
  6. Step 6: Final answer
    x = 476,723.10

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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.