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Finding the Fourth Proportional to 337,516.80, 506,405.88 and 309,959.52

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Solution

The fourth proportional to 337,516.80, 506,405.88 and 309,959.52 is: 465,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,516.80 : 506,405.88 = 309,959.52 : x
  2. Step 2: Convert to fraction form
    337,516.80/506,405.88 = 309,959.52/x
  3. Step 3: Cross multiply
    337,516.80x = 506,405.88 × 309,959.52
  4. Step 4: Simplify right side
    337,516.80x = 156,965,323,489.98
  5. Step 5: Solve for x
    x = 156,965,323,489.98/337,516.80
  6. Step 6: Final answer
    x = 465,059.29

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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.