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Finding the Fourth Proportional to 337,640.80, 506,461.20 and 88,322.80

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Solution

The fourth proportional to 337,640.80, 506,461.20 and 88,322.80 is: 132,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,640.80 : 506,461.20 = 88,322.80 : x
  2. Step 2: Convert to fraction form
    337,640.80/506,461.20 = 88,322.80/x
  3. Step 3: Cross multiply
    337,640.80x = 506,461.20 × 88,322.80
  4. Step 4: Simplify right side
    337,640.80x = 44,732,071,275.36
  5. Step 5: Solve for x
    x = 44,732,071,275.36/337,640.80
  6. Step 6: Final answer
    x = 132,484.20

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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.