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Finding the Fourth Proportional to 344,353.17, 516,233.90 and 119,684.43

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Solution

The fourth proportional to 344,353.17, 516,233.90 and 119,684.43 is: 179,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,353.17 : 516,233.90 = 119,684.43 : x
  2. Step 2: Convert to fraction form
    344,353.17/516,233.90 = 119,684.43/x
  3. Step 3: Cross multiply
    344,353.17x = 516,233.90 × 119,684.43
  4. Step 4: Simplify right side
    344,353.17x = 61,785,159,469.75
  5. Step 5: Solve for x
    x = 61,785,159,469.75/344,353.17
  6. Step 6: Final answer
    x = 179,423.82

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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.