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Finding the Fourth Proportional to 443,169.52, 611,565.62 and 271,074.84

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Solution

The fourth proportional to 443,169.52, 611,565.62 and 271,074.84 is: 374,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,169.52 : 611,565.62 = 271,074.84 : x
  2. Step 2: Convert to fraction form
    443,169.52/611,565.62 = 271,074.84/x
  3. Step 3: Cross multiply
    443,169.52x = 611,565.62 × 271,074.84
  4. Step 4: Simplify right side
    443,169.52x = 165,780,052,591.00
  5. Step 5: Solve for x
    x = 165,780,052,591.00/443,169.52
  6. Step 6: Final answer
    x = 374,078.19

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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.