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Finding the Fourth Proportional to 361,902.60, 542,853.90 and 162,010.80

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Solution

The fourth proportional to 361,902.60, 542,853.90 and 162,010.80 is: 243,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,902.60 : 542,853.90 = 162,010.80 : x
  2. Step 2: Convert to fraction form
    361,902.60/542,853.90 = 162,010.80/x
  3. Step 3: Cross multiply
    361,902.60x = 542,853.90 × 162,010.80
  4. Step 4: Simplify right side
    361,902.60x = 87,948,194,622.12
  5. Step 5: Solve for x
    x = 87,948,194,622.12/361,902.60
  6. Step 6: Final answer
    x = 243,016.20

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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.