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Finding the Fourth Proportional to 479,423.34, 718,948.17 and 179,740.44

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Solution

The fourth proportional to 479,423.34, 718,948.17 and 179,740.44 is: 269,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,423.34 : 718,948.17 = 179,740.44 : x
  2. Step 2: Convert to fraction form
    479,423.34/718,948.17 = 179,740.44/x
  3. Step 3: Cross multiply
    479,423.34x = 718,948.17 × 179,740.44
  4. Step 4: Simplify right side
    479,423.34x = 129,224,060,413.00
  5. Step 5: Solve for x
    x = 129,224,060,413.00/479,423.34
  6. Step 6: Final answer
    x = 269,540.61

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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.