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Finding the Fourth Proportional to 587,562.76, 881,344.19 and 387,836.51

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Solution

The fourth proportional to 587,562.76, 881,344.19 and 387,836.51 is: 581,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,562.76 : 881,344.19 = 387,836.51 : x
  2. Step 2: Convert to fraction form
    587,562.76/881,344.19 = 387,836.51/x
  3. Step 3: Cross multiply
    587,562.76x = 881,344.19 × 387,836.51
  4. Step 4: Simplify right side
    587,562.76x = 341,817,451,321.25
  5. Step 5: Solve for x
    x = 341,817,451,321.25/587,562.76
  6. Step 6: Final answer
    x = 581,754.79

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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.