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Finding the Fourth Proportional to 337,842.80, 506,472.60 and 171,630.80

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Solution

The fourth proportional to 337,842.80, 506,472.60 and 171,630.80 is: 257,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,842.80 : 506,472.60 = 171,630.80 : x
  2. Step 2: Convert to fraction form
    337,842.80/506,472.60 = 171,630.80/x
  3. Step 3: Cross multiply
    337,842.80x = 506,472.60 × 171,630.80
  4. Step 4: Simplify right side
    337,842.80x = 86,926,297,516.08
  5. Step 5: Solve for x
    x = 86,926,297,516.08/337,842.80
  6. Step 6: Final answer
    x = 257,298.06

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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.