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Finding the Fourth Proportional to 550,353.96, 825,531.84 and 151,000.20

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Solution

The fourth proportional to 550,353.96, 825,531.84 and 151,000.20 is: 226,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,353.96 : 825,531.84 = 151,000.20 : x
  2. Step 2: Convert to fraction form
    550,353.96/825,531.84 = 151,000.20/x
  3. Step 3: Cross multiply
    550,353.96x = 825,531.84 × 151,000.20
  4. Step 4: Simplify right side
    550,353.96x = 124,655,472,946.37
  5. Step 5: Solve for x
    x = 124,655,472,946.37/550,353.96
  6. Step 6: Final answer
    x = 226,500.55

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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.