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Finding the Fourth Proportional to 325,649.92, 488,545.08 and 101,005.90

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Solution

The fourth proportional to 325,649.92, 488,545.08 and 101,005.90 is: 151,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,649.92 : 488,545.08 = 101,005.90 : x
  2. Step 2: Convert to fraction form
    325,649.92/488,545.08 = 101,005.90/x
  3. Step 3: Cross multiply
    325,649.92x = 488,545.08 × 101,005.90
  4. Step 4: Simplify right side
    325,649.92x = 49,345,935,495.97
  5. Step 5: Solve for x
    x = 49,345,935,495.97/325,649.92
  6. Step 6: Final answer
    x = 151,530.62

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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.