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Finding the Fourth Proportional to 437,729.52, 656,594.28 and 105,305.52

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Solution

The fourth proportional to 437,729.52, 656,594.28 and 105,305.52 is: 157,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,729.52 : 656,594.28 = 105,305.52 : x
  2. Step 2: Convert to fraction form
    437,729.52/656,594.28 = 105,305.52/x
  3. Step 3: Cross multiply
    437,729.52x = 656,594.28 × 105,305.52
  4. Step 4: Simplify right side
    437,729.52x = 69,143,002,084.43
  5. Step 5: Solve for x
    x = 69,143,002,084.43/437,729.52
  6. Step 6: Final answer
    x = 157,958.28

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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.