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Finding the Fourth Proportional to 587,847.92, 811,262.18 and 329,806.55

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Solution

The fourth proportional to 587,847.92, 811,262.18 and 329,806.55 is: 455,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,847.92 : 811,262.18 = 329,806.55 : x
  2. Step 2: Convert to fraction form
    587,847.92/811,262.18 = 329,806.55/x
  3. Step 3: Cross multiply
    587,847.92x = 811,262.18 × 329,806.55
  4. Step 4: Simplify right side
    587,847.92x = 267,559,583,583.95
  5. Step 5: Solve for x
    x = 267,559,583,583.95/587,847.92
  6. Step 6: Final answer
    x = 455,151.03

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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.