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Finding the Fourth Proportional to 417,612.58, 576,305.74 and 226,625.97

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Solution

The fourth proportional to 417,612.58, 576,305.74 and 226,625.97 is: 312,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,612.58 : 576,305.74 = 226,625.97 : x
  2. Step 2: Convert to fraction form
    417,612.58/576,305.74 = 226,625.97/x
  3. Step 3: Cross multiply
    417,612.58x = 576,305.74 × 226,625.97
  4. Step 4: Simplify right side
    417,612.58x = 130,605,846,210.94
  5. Step 5: Solve for x
    x = 130,605,846,210.94/417,612.58
  6. Step 6: Final answer
    x = 312,744.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.