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Finding the Fourth Proportional to 486,772.01, 730,227.20 and 149,840.73

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Solution

The fourth proportional to 486,772.01, 730,227.20 and 149,840.73 is: 224,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,772.01 : 730,227.20 = 149,840.73 : x
  2. Step 2: Convert to fraction form
    486,772.01/730,227.20 = 149,840.73/x
  3. Step 3: Cross multiply
    486,772.01x = 730,227.20 × 149,840.73
  4. Step 4: Simplify right side
    486,772.01x = 109,417,775,964.65
  5. Step 5: Solve for x
    x = 109,417,775,964.65/486,772.01
  6. Step 6: Final answer
    x = 224,782.39

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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.