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Finding the Fourth Proportional to 322,109.42, 444,508.56 and 178,869.96

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Solution

The fourth proportional to 322,109.42, 444,508.56 and 178,869.96 is: 246,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,109.42 : 444,508.56 = 178,869.96 : x
  2. Step 2: Convert to fraction form
    322,109.42/444,508.56 = 178,869.96/x
  3. Step 3: Cross multiply
    322,109.42x = 444,508.56 × 178,869.96
  4. Step 4: Simplify right side
    322,109.42x = 79,509,228,346.86
  5. Step 5: Solve for x
    x = 79,509,228,346.86/322,109.42
  6. Step 6: Final answer
    x = 246,839.19

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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.