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Finding the Fourth Proportional to 588,689.20, 883,098.60 and 214,793.20

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Solution

The fourth proportional to 588,689.20, 883,098.60 and 214,793.20 is: 322,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,689.20 : 883,098.60 = 214,793.20 : x
  2. Step 2: Convert to fraction form
    588,689.20/883,098.60 = 214,793.20/x
  3. Step 3: Cross multiply
    588,689.20x = 883,098.60 × 214,793.20
  4. Step 4: Simplify right side
    588,689.20x = 189,683,574,209.52
  5. Step 5: Solve for x
    x = 189,683,574,209.52/588,689.20
  6. Step 6: Final answer
    x = 322,213.44

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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.