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Finding the Fourth Proportional to 269,473.20, 403,772.40 and 169,454.40

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Solution

The fourth proportional to 269,473.20, 403,772.40 and 169,454.40 is: 253,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,473.20 : 403,772.40 = 169,454.40 : x
  2. Step 2: Convert to fraction form
    269,473.20/403,772.40 = 169,454.40/x
  3. Step 3: Cross multiply
    269,473.20x = 403,772.40 × 169,454.40
  4. Step 4: Simplify right side
    269,473.20x = 68,421,009,778.56
  5. Step 5: Solve for x
    x = 68,421,009,778.56/269,473.20
  6. Step 6: Final answer
    x = 253,906.55

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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.