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Finding the Fourth Proportional to 337,238.21, 506,207.69 and 225,697.87

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Solution

The fourth proportional to 337,238.21, 506,207.69 and 225,697.87 is: 338,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,238.21 : 506,207.69 = 225,697.87 : x
  2. Step 2: Convert to fraction form
    337,238.21/506,207.69 = 225,697.87/x
  3. Step 3: Cross multiply
    337,238.21x = 506,207.69 × 225,697.87
  4. Step 4: Simplify right side
    337,238.21x = 114,249,996,654.94
  5. Step 5: Solve for x
    x = 114,249,996,654.94/337,238.21
  6. Step 6: Final answer
    x = 338,781.29

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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.