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Finding the Fourth Proportional to 437,979.80, 656,605.20 and 185,454.20

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Solution

The fourth proportional to 437,979.80, 656,605.20 and 185,454.20 is: 278,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,979.80 : 656,605.20 = 185,454.20 : x
  2. Step 2: Convert to fraction form
    437,979.80/656,605.20 = 185,454.20/x
  3. Step 3: Cross multiply
    437,979.80x = 656,605.20 × 185,454.20
  4. Step 4: Simplify right side
    437,979.80x = 121,770,192,081.84
  5. Step 5: Solve for x
    x = 121,770,192,081.84/437,979.80
  6. Step 6: Final answer
    x = 278,026.96

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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.