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Finding the Fourth Proportional to 417,418.56, 625,855.52 and 274,832.24

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Solution

The fourth proportional to 417,418.56, 625,855.52 and 274,832.24 is: 412,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,418.56 : 625,855.52 = 274,832.24 : x
  2. Step 2: Convert to fraction form
    417,418.56/625,855.52 = 274,832.24/x
  3. Step 3: Cross multiply
    417,418.56x = 625,855.52 × 274,832.24
  4. Step 4: Simplify right side
    417,418.56x = 172,005,274,477.97
  5. Step 5: Solve for x
    x = 172,005,274,477.97/417,418.56
  6. Step 6: Final answer
    x = 412,069.06

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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.