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Finding the Fourth Proportional to 322,632.85, 445,238.42 and 177,444.94

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Solution

The fourth proportional to 322,632.85, 445,238.42 and 177,444.94 is: 244,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,632.85 : 445,238.42 = 177,444.94 : x
  2. Step 2: Convert to fraction form
    322,632.85/445,238.42 = 177,444.94/x
  3. Step 3: Cross multiply
    322,632.85x = 445,238.42 × 177,444.94
  4. Step 4: Simplify right side
    322,632.85x = 79,005,305,166.21
  5. Step 5: Solve for x
    x = 79,005,305,166.21/322,632.85
  6. Step 6: Final answer
    x = 244,876.82

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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.