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Finding the Fourth Proportional to 344,875.28, 517,306.92 and 155,201.42

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Solution

The fourth proportional to 344,875.28, 517,306.92 and 155,201.42 is: 232,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,875.28 : 517,306.92 = 155,201.42 : x
  2. Step 2: Convert to fraction form
    344,875.28/517,306.92 = 155,201.42/x
  3. Step 3: Cross multiply
    344,875.28x = 517,306.92 × 155,201.42
  4. Step 4: Simplify right side
    344,875.28x = 80,286,765,973.29
  5. Step 5: Solve for x
    x = 80,286,765,973.29/344,875.28
  6. Step 6: Final answer
    x = 232,799.43

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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.