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Finding the Fourth Proportional to 322,955.68, 445,732.24 and 188,793.76

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Solution

The fourth proportional to 322,955.68, 445,732.24 and 188,793.76 is: 260,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,955.68 : 445,732.24 = 188,793.76 : x
  2. Step 2: Convert to fraction form
    322,955.68/445,732.24 = 188,793.76/x
  3. Step 3: Cross multiply
    322,955.68x = 445,732.24 × 188,793.76
  4. Step 4: Simplify right side
    322,955.68x = 84,151,465,542.82
  5. Step 5: Solve for x
    x = 84,151,465,542.82/322,955.68
  6. Step 6: Final answer
    x = 260,566.61

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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.