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Finding the Fourth Proportional to 325,346.53, 488,005.43 and 88,689.22

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Solution

The fourth proportional to 325,346.53, 488,005.43 and 88,689.22 is: 133,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,346.53 : 488,005.43 = 88,689.22 : x
  2. Step 2: Convert to fraction form
    325,346.53/488,005.43 = 88,689.22/x
  3. Step 3: Cross multiply
    325,346.53x = 488,005.43 × 88,689.22
  4. Step 4: Simplify right side
    325,346.53x = 43,280,819,944.17
  5. Step 5: Solve for x
    x = 43,280,819,944.17/325,346.53
  6. Step 6: Final answer
    x = 133,029.91

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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.