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Finding the Fourth Proportional to 325,573.92, 488,379.33 and 100,966.28

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Solution

The fourth proportional to 325,573.92, 488,379.33 and 100,966.28 is: 151,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,573.92 : 488,379.33 = 100,966.28 : x
  2. Step 2: Convert to fraction form
    325,573.92/488,379.33 = 100,966.28/x
  3. Step 3: Cross multiply
    325,573.92x = 488,379.33 × 100,966.28
  4. Step 4: Simplify right side
    325,573.92x = 49,309,841,737.10
  5. Step 5: Solve for x
    x = 49,309,841,737.10/325,573.92
  6. Step 6: Final answer
    x = 151,455.13

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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.