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Finding the Fourth Proportional to 587,686.20, 881,820.90 and 232,711.80

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Solution

The fourth proportional to 587,686.20, 881,820.90 and 232,711.80 is: 349,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,686.20 : 881,820.90 = 232,711.80 : x
  2. Step 2: Convert to fraction form
    587,686.20/881,820.90 = 232,711.80/x
  3. Step 3: Cross multiply
    587,686.20x = 881,820.90 × 232,711.80
  4. Step 4: Simplify right side
    587,686.20x = 205,210,128,916.62
  5. Step 5: Solve for x
    x = 205,210,128,916.62/587,686.20
  6. Step 6: Final answer
    x = 349,183.17

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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.