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Finding the Fourth Proportional to 576,760.20, 863,099.10 and 502,693.80

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Solution

The fourth proportional to 576,760.20, 863,099.10 and 502,693.80 is: 752,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,760.20 : 863,099.10 = 502,693.80 : x
  2. Step 2: Convert to fraction form
    576,760.20/863,099.10 = 502,693.80/x
  3. Step 3: Cross multiply
    576,760.20x = 863,099.10 × 502,693.80
  4. Step 4: Simplify right side
    576,760.20x = 433,874,566,355.58
  5. Step 5: Solve for x
    x = 433,874,566,355.58/576,760.20
  6. Step 6: Final answer
    x = 752,261.63

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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.