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Finding the Fourth Proportional to 541,013.60, 811,520.40 and 204,002.40

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Solution

The fourth proportional to 541,013.60, 811,520.40 and 204,002.40 is: 306,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,013.60 : 811,520.40 = 204,002.40 : x
  2. Step 2: Convert to fraction form
    541,013.60/811,520.40 = 204,002.40/x
  3. Step 3: Cross multiply
    541,013.60x = 811,520.40 × 204,002.40
  4. Step 4: Simplify right side
    541,013.60x = 165,552,109,248.96
  5. Step 5: Solve for x
    x = 165,552,109,248.96/541,013.60
  6. Step 6: Final answer
    x = 306,003.60

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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.