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Finding the Fourth Proportional to 394,897.55, 592,435.45 and 125,042.06

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Solution

The fourth proportional to 394,897.55, 592,435.45 and 125,042.06 is: 187,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,897.55 : 592,435.45 = 125,042.06 : x
  2. Step 2: Convert to fraction form
    394,897.55/592,435.45 = 125,042.06/x
  3. Step 3: Cross multiply
    394,897.55x = 592,435.45 × 125,042.06
  4. Step 4: Simplify right side
    394,897.55x = 74,079,350,722.42
  5. Step 5: Solve for x
    x = 74,079,350,722.42/394,897.55
  6. Step 6: Final answer
    x = 187,591.32

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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.