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Finding the Fourth Proportional to 322,730.17, 445,383.42 and 179,487.14

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Solution

The fourth proportional to 322,730.17, 445,383.42 and 179,487.14 is: 247,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.17 : 445,383.42 = 179,487.14 : x
  2. Step 2: Convert to fraction form
    322,730.17/445,383.42 = 179,487.14/x
  3. Step 3: Cross multiply
    322,730.17x = 445,383.42 × 179,487.14
  4. Step 4: Simplify right side
    322,730.17x = 79,940,597,126.53
  5. Step 5: Solve for x
    x = 79,940,597,126.53/322,730.17
  6. Step 6: Final answer
    x = 247,701.03

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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.