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Finding the Fourth Proportional to 656,965.80, 985,446.42 and 158,329.80

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Solution

The fourth proportional to 656,965.80, 985,446.42 and 158,329.80 is: 237,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,965.80 : 985,446.42 = 158,329.80 : x
  2. Step 2: Convert to fraction form
    656,965.80/985,446.42 = 158,329.80/x
  3. Step 3: Cross multiply
    656,965.80x = 985,446.42 × 158,329.80
  4. Step 4: Simplify right side
    656,965.80x = 156,025,534,589.32
  5. Step 5: Solve for x
    x = 156,025,534,589.32/656,965.80
  6. Step 6: Final answer
    x = 237,494.15

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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.