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Finding the Fourth Proportional to 337,410.40, 506,115.60 and 331,578.40

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Solution

The fourth proportional to 337,410.40, 506,115.60 and 331,578.40 is: 497,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,410.40 : 506,115.60 = 331,578.40 : x
  2. Step 2: Convert to fraction form
    337,410.40/506,115.60 = 331,578.40/x
  3. Step 3: Cross multiply
    337,410.40x = 506,115.60 × 331,578.40
  4. Step 4: Simplify right side
    337,410.40x = 167,817,000,863.04
  5. Step 5: Solve for x
    x = 167,817,000,863.04/337,410.40
  6. Step 6: Final answer
    x = 497,367.60

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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.