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Finding the Fourth Proportional to 451,777.16, 676,334.28 and 395,726.80

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Solution

The fourth proportional to 451,777.16, 676,334.28 and 395,726.80 is: 592,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,777.16 : 676,334.28 = 395,726.80 : x
  2. Step 2: Convert to fraction form
    451,777.16/676,334.28 = 395,726.80/x
  3. Step 3: Cross multiply
    451,777.16x = 676,334.28 × 395,726.80
  4. Step 4: Simplify right side
    451,777.16x = 267,643,600,354.70
  5. Step 5: Solve for x
    x = 267,643,600,354.70/451,777.16
  6. Step 6: Final answer
    x = 592,423.93

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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.