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Finding the Fourth Proportional to 486,736.33, 730,173.69 and 149,805.06

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Solution

The fourth proportional to 486,736.33, 730,173.69 and 149,805.06 is: 224,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,736.33 : 730,173.69 = 149,805.06 : x
  2. Step 2: Convert to fraction form
    486,736.33/730,173.69 = 149,805.06/x
  3. Step 3: Cross multiply
    486,736.33x = 730,173.69 × 149,805.06
  4. Step 4: Simplify right side
    486,736.33x = 109,383,711,729.53
  5. Step 5: Solve for x
    x = 109,383,711,729.53/486,736.33
  6. Step 6: Final answer
    x = 224,728.88

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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.