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Finding the Fourth Proportional to 484,449, 726,821.46 and 247,959.24

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Solution

The fourth proportional to 484,449, 726,821.46 and 247,959.24 is: 372,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,449 : 726,821.46 = 247,959.24 : x
  2. Step 2: Convert to fraction form
    484,449/726,821.46 = 247,959.24/x
  3. Step 3: Cross multiply
    484,449x = 726,821.46 × 247,959.24
  4. Step 4: Simplify right side
    484,449x = 180,222,096,837.29
  5. Step 5: Solve for x
    x = 180,222,096,837.29/484,449
  6. Step 6: Final answer
    x = 372,014.59

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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.