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Finding the Fourth Proportional to 484,755.30, 726,684.62 and 247,575.15

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Solution

The fourth proportional to 484,755.30, 726,684.62 and 247,575.15 is: 371,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,755.30 : 726,684.62 = 247,575.15 : x
  2. Step 2: Convert to fraction form
    484,755.30/726,684.62 = 247,575.15/x
  3. Step 3: Cross multiply
    484,755.30x = 726,684.62 × 247,575.15
  4. Step 4: Simplify right side
    484,755.30x = 179,909,052,561.32
  5. Step 5: Solve for x
    x = 179,909,052,561.32/484,755.30
  6. Step 6: Final answer
    x = 371,133.75

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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.