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Finding the Fourth Proportional to 591,838.20, 888,121.80 and 255,040.20

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Solution

The fourth proportional to 591,838.20, 888,121.80 and 255,040.20 is: 382,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,838.20 : 888,121.80 = 255,040.20 : x
  2. Step 2: Convert to fraction form
    591,838.20/888,121.80 = 255,040.20/x
  3. Step 3: Cross multiply
    591,838.20x = 888,121.80 × 255,040.20
  4. Step 4: Simplify right side
    591,838.20x = 226,506,761,496.36
  5. Step 5: Solve for x
    x = 226,506,761,496.36/591,838.20
  6. Step 6: Final answer
    x = 382,717.37

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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.