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Finding the Fourth Proportional to 394,901.74, 592,441.74 and 125,046.25

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Solution

The fourth proportional to 394,901.74, 592,441.74 and 125,046.25 is: 187,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,901.74 : 592,441.74 = 125,046.25 : x
  2. Step 2: Convert to fraction form
    394,901.74/592,441.74 = 125,046.25/x
  3. Step 3: Cross multiply
    394,901.74x = 592,441.74 × 125,046.25
  4. Step 4: Simplify right side
    394,901.74x = 74,082,617,930.48
  5. Step 5: Solve for x
    x = 74,082,617,930.48/394,901.74
  6. Step 6: Final answer
    x = 187,597.60

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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.