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Finding the Fourth Proportional to 316,704.88, 437,052.92 and 173,464.88

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Solution

The fourth proportional to 316,704.88, 437,052.92 and 173,464.88 is: 239,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,704.88 : 437,052.92 = 173,464.88 : x
  2. Step 2: Convert to fraction form
    316,704.88/437,052.92 = 173,464.88/x
  3. Step 3: Cross multiply
    316,704.88x = 437,052.92 × 173,464.88
  4. Step 4: Simplify right side
    316,704.88x = 75,813,332,321.45
  5. Step 5: Solve for x
    x = 75,813,332,321.45/316,704.88
  6. Step 6: Final answer
    x = 239,381.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.