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Finding the Fourth Proportional to 416,235.60, 574,405.20 and 225,249.04

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Solution

The fourth proportional to 416,235.60, 574,405.20 and 225,249.04 is: 310,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,235.60 : 574,405.20 = 225,249.04 : x
  2. Step 2: Convert to fraction form
    416,235.60/574,405.20 = 225,249.04/x
  3. Step 3: Cross multiply
    416,235.60x = 574,405.20 × 225,249.04
  4. Step 4: Simplify right side
    416,235.60x = 129,384,219,871.01
  5. Step 5: Solve for x
    x = 129,384,219,871.01/416,235.60
  6. Step 6: Final answer
    x = 310,843.71

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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.