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Finding the Fourth Proportional to 488,549.88, 732,789.78 and 151,581.88

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Solution

The fourth proportional to 488,549.88, 732,789.78 and 151,581.88 is: 227,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,549.88 : 732,789.78 = 151,581.88 : x
  2. Step 2: Convert to fraction form
    488,549.88/732,789.78 = 151,581.88/x
  3. Step 3: Cross multiply
    488,549.88x = 732,789.78 × 151,581.88
  4. Step 4: Simplify right side
    488,549.88x = 111,077,652,497.19
  5. Step 5: Solve for x
    x = 111,077,652,497.19/488,549.88
  6. Step 6: Final answer
    x = 227,361.95

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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.