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Finding the Fourth Proportional to 472,111.77, 708,377.00 and 247,418.85

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Solution

The fourth proportional to 472,111.77, 708,377.00 and 247,418.85 is: 371,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,111.77 : 708,377.00 = 247,418.85 : x
  2. Step 2: Convert to fraction form
    472,111.77/708,377.00 = 247,418.85/x
  3. Step 3: Cross multiply
    472,111.77x = 708,377.00 × 247,418.85
  4. Step 4: Simplify right side
    472,111.77x = 175,265,824,125.77
  5. Step 5: Solve for x
    x = 175,265,824,125.77/472,111.77
  6. Step 6: Final answer
    x = 371,237.99

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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.