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Finding the Fourth Proportional to 591,772.80, 888,096.60 and 392,026.80

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Solution

The fourth proportional to 591,772.80, 888,096.60 and 392,026.80 is: 588,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,772.80 : 888,096.60 = 392,026.80 : x
  2. Step 2: Convert to fraction form
    591,772.80/888,096.60 = 392,026.80/x
  3. Step 3: Cross multiply
    591,772.80x = 888,096.60 × 392,026.80
  4. Step 4: Simplify right side
    591,772.80x = 348,157,668,188.88
  5. Step 5: Solve for x
    x = 348,157,668,188.88/591,772.80
  6. Step 6: Final answer
    x = 588,329.96

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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.