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Finding the Fourth Proportional to 472,348.97, 708,450.41 and 172,759.49

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Solution

The fourth proportional to 472,348.97, 708,450.41 and 172,759.49 is: 259,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,348.97 : 708,450.41 = 172,759.49 : x
  2. Step 2: Convert to fraction form
    472,348.97/708,450.41 = 172,759.49/x
  3. Step 3: Cross multiply
    472,348.97x = 708,450.41 × 172,759.49
  4. Step 4: Simplify right side
    472,348.97x = 122,391,527,115.84
  5. Step 5: Solve for x
    x = 122,391,527,115.84/472,348.97
  6. Step 6: Final answer
    x = 259,112.51

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1.5x scale

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.