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Finding the Fourth Proportional to 451,202.40, 676,803.60 and 151,729.20

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Solution

The fourth proportional to 451,202.40, 676,803.60 and 151,729.20 is: 227,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,202.40 : 676,803.60 = 151,729.20 : x
  2. Step 2: Convert to fraction form
    451,202.40/676,803.60 = 151,729.20/x
  3. Step 3: Cross multiply
    451,202.40x = 676,803.60 × 151,729.20
  4. Step 4: Simplify right side
    451,202.40x = 102,690,868,785.12
  5. Step 5: Solve for x
    x = 102,690,868,785.12/451,202.40
  6. Step 6: Final answer
    x = 227,593.80

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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.