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Finding the Fourth Proportional to 322,657.18, 445,248.62 and 179,414.15

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Solution

The fourth proportional to 322,657.18, 445,248.62 and 179,414.15 is: 247,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,657.18 : 445,248.62 = 179,414.15 : x
  2. Step 2: Convert to fraction form
    322,657.18/445,248.62 = 179,414.15/x
  3. Step 3: Cross multiply
    322,657.18x = 445,248.62 × 179,414.15
  4. Step 4: Simplify right side
    322,657.18x = 79,883,901,798.90
  5. Step 5: Solve for x
    x = 79,883,901,798.90/322,657.18
  6. Step 6: Final answer
    x = 247,581.35

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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.