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Finding the Fourth Proportional to 587,685.70, 881,820.15 and 232,711.30

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Solution

The fourth proportional to 587,685.70, 881,820.15 and 232,711.30 is: 349,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,685.70 : 881,820.15 = 232,711.30 : x
  2. Step 2: Convert to fraction form
    587,685.70/881,820.15 = 232,711.30/x
  3. Step 3: Cross multiply
    587,685.70x = 881,820.15 × 232,711.30
  4. Step 4: Simplify right side
    587,685.70x = 205,209,513,472.70
  5. Step 5: Solve for x
    x = 205,209,513,472.70/587,685.70
  6. Step 6: Final answer
    x = 349,182.42

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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.