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Finding the Fourth Proportional to 322,602.31, 445,216.13 and 193,545.64

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Solution

The fourth proportional to 322,602.31, 445,216.13 and 193,545.64 is: 267,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,602.31 : 445,216.13 = 193,545.64 : x
  2. Step 2: Convert to fraction form
    322,602.31/445,216.13 = 193,545.64/x
  3. Step 3: Cross multiply
    322,602.31x = 445,216.13 × 193,545.64
  4. Step 4: Simplify right side
    322,602.31x = 86,169,639,851.45
  5. Step 5: Solve for x
    x = 86,169,639,851.45/322,602.31
  6. Step 6: Final answer
    x = 267,107.94

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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.