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Finding the Fourth Proportional to 472,236.06, 708,563.46 and 247,542.86

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Solution

The fourth proportional to 472,236.06, 708,563.46 and 247,542.86 is: 371,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,236.06 : 708,563.46 = 247,542.86 : x
  2. Step 2: Convert to fraction form
    472,236.06/708,563.46 = 247,542.86/x
  3. Step 3: Cross multiply
    472,236.06x = 708,563.46 × 247,542.86
  4. Step 4: Simplify right side
    472,236.06x = 175,399,825,379.90
  5. Step 5: Solve for x
    x = 175,399,825,379.90/472,236.06
  6. Step 6: Final answer
    x = 371,424.04

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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.