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Finding the Fourth Proportional to 366,954.60, 550,431.90 and 283,908.20

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Solution

The fourth proportional to 366,954.60, 550,431.90 and 283,908.20 is: 425,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,954.60 : 550,431.90 = 283,908.20 : x
  2. Step 2: Convert to fraction form
    366,954.60/550,431.90 = 283,908.20/x
  3. Step 3: Cross multiply
    366,954.60x = 550,431.90 × 283,908.20
  4. Step 4: Simplify right side
    366,954.60x = 156,272,129,951.58
  5. Step 5: Solve for x
    x = 156,272,129,951.58/366,954.60
  6. Step 6: Final answer
    x = 425,862.30

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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.