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Finding the Fourth Proportional to 394,698.68, 592,121.04 and 124,894.70

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Solution

The fourth proportional to 394,698.68, 592,121.04 and 124,894.70 is: 187,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,698.68 : 592,121.04 = 124,894.70 : x
  2. Step 2: Convert to fraction form
    394,698.68/592,121.04 = 124,894.70/x
  3. Step 3: Cross multiply
    394,698.68x = 592,121.04 × 124,894.70
  4. Step 4: Simplify right side
    394,698.68x = 73,952,779,654.49
  5. Step 5: Solve for x
    x = 73,952,779,654.49/394,698.68
  6. Step 6: Final answer
    x = 187,365.16

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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.