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Finding the Fourth Proportional to 322,137.92, 444,565.20 and 178,898.60

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Solution

The fourth proportional to 322,137.92, 444,565.20 and 178,898.60 is: 246,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,137.92 : 444,565.20 = 178,898.60 : x
  2. Step 2: Convert to fraction form
    322,137.92/444,565.20 = 178,898.60/x
  3. Step 3: Cross multiply
    322,137.92x = 444,565.20 × 178,898.60
  4. Step 4: Simplify right side
    322,137.92x = 79,532,091,888.72
  5. Step 5: Solve for x
    x = 79,532,091,888.72/322,137.92
  6. Step 6: Final answer
    x = 246,888.33

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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.