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Finding the Fourth Proportional to 450,892.56, 676,349.78 and 151,382.91

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Solution

The fourth proportional to 450,892.56, 676,349.78 and 151,382.91 is: 227,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,892.56 : 676,349.78 = 151,382.91 : x
  2. Step 2: Convert to fraction form
    450,892.56/676,349.78 = 151,382.91/x
  3. Step 3: Cross multiply
    450,892.56x = 676,349.78 × 151,382.91
  4. Step 4: Simplify right side
    450,892.56x = 102,387,797,117.35
  5. Step 5: Solve for x
    x = 102,387,797,117.35/450,892.56
  6. Step 6: Final answer
    x = 227,078.04

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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.