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Finding the Fourth Proportional to 322,659.98, 445,252.49 and 179,416.95

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Solution

The fourth proportional to 322,659.98, 445,252.49 and 179,416.95 is: 247,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,659.98 : 445,252.49 = 179,416.95 : x
  2. Step 2: Convert to fraction form
    322,659.98/445,252.49 = 179,416.95/x
  3. Step 3: Cross multiply
    322,659.98x = 445,252.49 × 179,416.95
  4. Step 4: Simplify right side
    322,659.98x = 79,885,840,612.36
  5. Step 5: Solve for x
    x = 79,885,840,612.36/322,659.98
  6. Step 6: Final answer
    x = 247,585.22

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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.