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Finding the Fourth Proportional to 325,978.43, 489,108.17 and 176,324.04

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Solution

The fourth proportional to 325,978.43, 489,108.17 and 176,324.04 is: 264,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,978.43 : 489,108.17 = 176,324.04 : x
  2. Step 2: Convert to fraction form
    325,978.43/489,108.17 = 176,324.04/x
  3. Step 3: Cross multiply
    325,978.43x = 489,108.17 × 176,324.04
  4. Step 4: Simplify right side
    325,978.43x = 86,241,528,972.22
  5. Step 5: Solve for x
    x = 86,241,528,972.22/325,978.43
  6. Step 6: Final answer
    x = 264,562.08

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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.