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Finding the Fourth Proportional to 536,440.20, 804,660.30 and 162,463.20

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Solution

The fourth proportional to 536,440.20, 804,660.30 and 162,463.20 is: 243,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,440.20 : 804,660.30 = 162,463.20 : x
  2. Step 2: Convert to fraction form
    536,440.20/804,660.30 = 162,463.20/x
  3. Step 3: Cross multiply
    536,440.20x = 804,660.30 × 162,463.20
  4. Step 4: Simplify right side
    536,440.20x = 130,727,687,250.96
  5. Step 5: Solve for x
    x = 130,727,687,250.96/536,440.20
  6. Step 6: Final answer
    x = 243,694.80

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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.