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Finding the Fourth Proportional to 225,464.04, 338,235.04 and 75,718.80

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Solution

The fourth proportional to 225,464.04, 338,235.04 and 75,718.80 is: 113,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,464.04 : 338,235.04 = 75,718.80 : x
  2. Step 2: Convert to fraction form
    225,464.04/338,235.04 = 75,718.80/x
  3. Step 3: Cross multiply
    225,464.04x = 338,235.04 × 75,718.80
  4. Step 4: Simplify right side
    225,464.04x = 25,610,751,346.75
  5. Step 5: Solve for x
    x = 25,610,751,346.75/225,464.04
  6. Step 6: Final answer
    x = 113,591.29

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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.