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Finding the Fourth Proportional to 587,106.75, 880,660.13 and 143,874.75

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Solution

The fourth proportional to 587,106.75, 880,660.13 and 143,874.75 is: 215,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,106.75 : 880,660.13 = 143,874.75 : x
  2. Step 2: Convert to fraction form
    587,106.75/880,660.13 = 143,874.75/x
  3. Step 3: Cross multiply
    587,106.75x = 880,660.13 × 143,874.75
  4. Step 4: Simplify right side
    587,106.75x = 126,704,755,319.34
  5. Step 5: Solve for x
    x = 126,704,755,319.34/587,106.75
  6. Step 6: Final answer
    x = 215,812.13

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Similar ratio
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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.