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Finding the Fourth Proportional to 542,836.80, 814,255.20 and 462,355.20

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Solution

The fourth proportional to 542,836.80, 814,255.20 and 462,355.20 is: 693,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,836.80 : 814,255.20 = 462,355.20 : x
  2. Step 2: Convert to fraction form
    542,836.80/814,255.20 = 462,355.20/x
  3. Step 3: Cross multiply
    542,836.80x = 814,255.20 × 462,355.20
  4. Step 4: Simplify right side
    542,836.80x = 376,475,125,847.04
  5. Step 5: Solve for x
    x = 376,475,125,847.04/542,836.80
  6. Step 6: Final answer
    x = 693,532.80

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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.