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Finding the Fourth Proportional to 322,633.48, 445,239.29 and 177,445.57

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Solution

The fourth proportional to 322,633.48, 445,239.29 and 177,445.57 is: 244,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,633.48 : 445,239.29 = 177,445.57 : x
  2. Step 2: Convert to fraction form
    322,633.48/445,239.29 = 177,445.57/x
  3. Step 3: Cross multiply
    322,633.48x = 445,239.29 × 177,445.57
  4. Step 4: Simplify right side
    322,633.48x = 79,005,736,487.02
  5. Step 5: Solve for x
    x = 79,005,736,487.02/322,633.48
  6. Step 6: Final answer
    x = 244,877.68

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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.