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Finding the Fourth Proportional to 297,228.78, 410,175.72 and 169,907.22

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Solution

The fourth proportional to 297,228.78, 410,175.72 and 169,907.22 is: 234,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,228.78 : 410,175.72 = 169,907.22 : x
  2. Step 2: Convert to fraction form
    297,228.78/410,175.72 = 169,907.22/x
  3. Step 3: Cross multiply
    297,228.78x = 410,175.72 × 169,907.22
  4. Step 4: Simplify right side
    297,228.78x = 69,691,816,296.70
  5. Step 5: Solve for x
    x = 69,691,816,296.70/297,228.78
  6. Step 6: Final answer
    x = 234,471.97

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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.