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Finding the Fourth Proportional to 394,900.17, 592,439.39 and 125,044.69

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Solution

The fourth proportional to 394,900.17, 592,439.39 and 125,044.69 is: 187,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,900.17 : 592,439.39 = 125,044.69 : x
  2. Step 2: Convert to fraction form
    394,900.17/592,439.39 = 125,044.69/x
  3. Step 3: Cross multiply
    394,900.17x = 592,439.39 × 125,044.69
  4. Step 4: Simplify right side
    394,900.17x = 74,081,399,866.34
  5. Step 5: Solve for x
    x = 74,081,399,866.34/394,900.17
  6. Step 6: Final answer
    x = 187,595.26

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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.