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Finding the Fourth Proportional to 416,235.39, 574,406.29 and 225,248.73

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Solution

The fourth proportional to 416,235.39, 574,406.29 and 225,248.73 is: 310,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,235.39 : 574,406.29 = 225,248.73 : x
  2. Step 2: Convert to fraction form
    416,235.39/574,406.29 = 225,248.73/x
  3. Step 3: Cross multiply
    416,235.39x = 574,406.29 × 225,248.73
  4. Step 4: Simplify right side
    416,235.39x = 129,384,286,200.27
  5. Step 5: Solve for x
    x = 129,384,286,200.27/416,235.39
  6. Step 6: Final answer
    x = 310,844.03

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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.