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Finding the Fourth Proportional to 487,451.89, 730,968.72 and 167,635.96

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Solution

The fourth proportional to 487,451.89, 730,968.72 and 167,635.96 is: 251,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,451.89 : 730,968.72 = 167,635.96 : x
  2. Step 2: Convert to fraction form
    487,451.89/730,968.72 = 167,635.96/x
  3. Step 3: Cross multiply
    487,451.89x = 730,968.72 × 167,635.96
  4. Step 4: Simplify right side
    487,451.89x = 122,536,643,107.17
  5. Step 5: Solve for x
    x = 122,536,643,107.17/487,451.89
  6. Step 6: Final answer
    x = 251,382.02

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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.