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Finding the Fourth Proportional to 418,193.28, 627,289.92 and 151,904.16

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Solution

The fourth proportional to 418,193.28, 627,289.92 and 151,904.16 is: 227,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,193.28 : 627,289.92 = 151,904.16 : x
  2. Step 2: Convert to fraction form
    418,193.28/627,289.92 = 151,904.16/x
  3. Step 3: Cross multiply
    418,193.28x = 627,289.92 × 151,904.16
  4. Step 4: Simplify right side
    418,193.28x = 95,287,948,374.07
  5. Step 5: Solve for x
    x = 95,287,948,374.07/418,193.28
  6. Step 6: Final answer
    x = 227,856.24

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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.