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Finding the Fourth Proportional to 483,959.71, 726,087.26 and 247,468.51

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Solution

The fourth proportional to 483,959.71, 726,087.26 and 247,468.51 is: 371,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,959.71 : 726,087.26 = 247,468.51 : x
  2. Step 2: Convert to fraction form
    483,959.71/726,087.26 = 247,468.51/x
  3. Step 3: Cross multiply
    483,959.71x = 726,087.26 × 247,468.51
  4. Step 4: Simplify right side
    483,959.71x = 179,683,732,362.18
  5. Step 5: Solve for x
    x = 179,683,732,362.18/483,959.71
  6. Step 6: Final answer
    x = 371,278.29

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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.