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Finding the Fourth Proportional to 322,149.87, 444,526.56 and 178,890.39

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Solution

The fourth proportional to 322,149.87, 444,526.56 and 178,890.39 is: 246,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,149.87 : 444,526.56 = 178,890.39 : x
  2. Step 2: Convert to fraction form
    322,149.87/444,526.56 = 178,890.39/x
  3. Step 3: Cross multiply
    322,149.87x = 444,526.56 × 178,890.39
  4. Step 4: Simplify right side
    322,149.87x = 79,521,529,683.76
  5. Step 5: Solve for x
    x = 79,521,529,683.76/322,149.87
  6. Step 6: Final answer
    x = 246,846.38

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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.