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Finding the Fourth Proportional to 588,876.80, 883,315.20 and 145,644.80

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Solution

The fourth proportional to 588,876.80, 883,315.20 and 145,644.80 is: 218,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,876.80 : 883,315.20 = 145,644.80 : x
  2. Step 2: Convert to fraction form
    588,876.80/883,315.20 = 145,644.80/x
  3. Step 3: Cross multiply
    588,876.80x = 883,315.20 × 145,644.80
  4. Step 4: Simplify right side
    588,876.80x = 128,650,265,640.96
  5. Step 5: Solve for x
    x = 128,650,265,640.96/588,876.80
  6. Step 6: Final answer
    x = 218,467.20

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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.