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Finding the Fourth Proportional to 548,102.40, 822,614.40 and 267,859.20

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Solution

The fourth proportional to 548,102.40, 822,614.40 and 267,859.20 is: 402,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,102.40 : 822,614.40 = 267,859.20 : x
  2. Step 2: Convert to fraction form
    548,102.40/822,614.40 = 267,859.20/x
  3. Step 3: Cross multiply
    548,102.40x = 822,614.40 × 267,859.20
  4. Step 4: Simplify right side
    548,102.40x = 220,344,835,092.48
  5. Step 5: Solve for x
    x = 220,344,835,092.48/548,102.40
  6. Step 6: Final answer
    x = 402,013.99

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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.