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Finding the Fourth Proportional to 591,775.80, 888,101.10 and 392,029.80

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Solution

The fourth proportional to 591,775.80, 888,101.10 and 392,029.80 is: 588,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,775.80 : 888,101.10 = 392,029.80 : x
  2. Step 2: Convert to fraction form
    591,775.80/888,101.10 = 392,029.80/x
  3. Step 3: Cross multiply
    591,775.80x = 888,101.10 × 392,029.80
  4. Step 4: Simplify right side
    591,775.80x = 348,162,096,612.78
  5. Step 5: Solve for x
    x = 348,162,096,612.78/591,775.80
  6. Step 6: Final answer
    x = 588,334.46

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Double scale
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Similar ratio
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1.5x scale

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.