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Finding the Fourth Proportional to 268,859.20, 403,580.40 and 150,761.20

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Solution

The fourth proportional to 268,859.20, 403,580.40 and 150,761.20 is: 226,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,859.20 : 403,580.40 = 150,761.20 : x
  2. Step 2: Convert to fraction form
    268,859.20/403,580.40 = 150,761.20/x
  3. Step 3: Cross multiply
    268,859.20x = 403,580.40 × 150,761.20
  4. Step 4: Simplify right side
    268,859.20x = 60,844,265,400.48
  5. Step 5: Solve for x
    x = 60,844,265,400.48/268,859.20
  6. Step 6: Final answer
    x = 226,305.31

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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.