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Finding the Fourth Proportional to 494,103.60, 741,155.40 and 161,713.20

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Solution

The fourth proportional to 494,103.60, 741,155.40 and 161,713.20 is: 242,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,103.60 : 741,155.40 = 161,713.20 : x
  2. Step 2: Convert to fraction form
    494,103.60/741,155.40 = 161,713.20/x
  3. Step 3: Cross multiply
    494,103.60x = 741,155.40 × 161,713.20
  4. Step 4: Simplify right side
    494,103.60x = 119,854,611,431.28
  5. Step 5: Solve for x
    x = 119,854,611,431.28/494,103.60
  6. Step 6: Final answer
    x = 242,569.80

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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.