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Finding the Fourth Proportional to 483,939.96, 726,057.63 and 247,448.76

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Solution

The fourth proportional to 483,939.96, 726,057.63 and 247,448.76 is: 371,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,939.96 : 726,057.63 = 247,448.76 : x
  2. Step 2: Convert to fraction form
    483,939.96/726,057.63 = 247,448.76/x
  3. Step 3: Cross multiply
    483,939.96x = 726,057.63 × 247,448.76
  4. Step 4: Simplify right side
    483,939.96x = 179,662,060,232.04
  5. Step 5: Solve for x
    x = 179,662,060,232.04/483,939.96
  6. Step 6: Final answer
    x = 371,248.66

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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.