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Finding the Fourth Proportional to 306,897.20, 459,568.20 and 244,689.20

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Solution

The fourth proportional to 306,897.20, 459,568.20 and 244,689.20 is: 366,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,897.20 : 459,568.20 = 244,689.20 : x
  2. Step 2: Convert to fraction form
    306,897.20/459,568.20 = 244,689.20/x
  3. Step 3: Cross multiply
    306,897.20x = 459,568.20 × 244,689.20
  4. Step 4: Simplify right side
    306,897.20x = 112,451,375,203.44
  5. Step 5: Solve for x
    x = 112,451,375,203.44/306,897.20
  6. Step 6: Final answer
    x = 366,413.82

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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.