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Finding the Fourth Proportional to 382,028.55, 573,042.19 and 101,545.80

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Solution

The fourth proportional to 382,028.55, 573,042.19 and 101,545.80 is: 152,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,028.55 : 573,042.19 = 101,545.80 : x
  2. Step 2: Convert to fraction form
    382,028.55/573,042.19 = 101,545.80/x
  3. Step 3: Cross multiply
    382,028.55x = 573,042.19 × 101,545.80
  4. Step 4: Simplify right side
    382,028.55x = 58,190,027,617.30
  5. Step 5: Solve for x
    x = 58,190,027,617.30/382,028.55
  6. Step 6: Final answer
    x = 152,318.53

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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.