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Finding the Fourth Proportional to 562,220.80, 843,331.20 and 162,874.60

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Solution

The fourth proportional to 562,220.80, 843,331.20 and 162,874.60 is: 244,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.80 : 843,331.20 = 162,874.60 : x
  2. Step 2: Convert to fraction form
    562,220.80/843,331.20 = 162,874.60/x
  3. Step 3: Cross multiply
    562,220.80x = 843,331.20 × 162,874.60
  4. Step 4: Simplify right side
    562,220.80x = 137,357,231,867.52
  5. Step 5: Solve for x
    x = 137,357,231,867.52/562,220.80
  6. Step 6: Final answer
    x = 244,311.90

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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.