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Finding the Fourth Proportional to 322,601.81, 445,215.44 and 193,545.14

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Solution

The fourth proportional to 322,601.81, 445,215.44 and 193,545.14 is: 267,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,601.81 : 445,215.44 = 193,545.14 : x
  2. Step 2: Convert to fraction form
    322,601.81/445,215.44 = 193,545.14/x
  3. Step 3: Cross multiply
    322,601.81x = 445,215.44 × 193,545.14
  4. Step 4: Simplify right side
    322,601.81x = 86,169,283,697.24
  5. Step 5: Solve for x
    x = 86,169,283,697.24/322,601.81
  6. Step 6: Final answer
    x = 267,107.25

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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.