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Finding the Fourth Proportional to 484,012.52, 726,166.56 and 247,521.32

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Solution

The fourth proportional to 484,012.52, 726,166.56 and 247,521.32 is: 371,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,012.52 : 726,166.56 = 247,521.32 : x
  2. Step 2: Convert to fraction form
    484,012.52/726,166.56 = 247,521.32/x
  3. Step 3: Cross multiply
    484,012.52x = 726,166.56 × 247,521.32
  4. Step 4: Simplify right side
    484,012.52x = 179,741,705,471.06
  5. Step 5: Solve for x
    x = 179,741,705,471.06/484,012.52
  6. Step 6: Final answer
    x = 371,357.55

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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.