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Finding the Fourth Proportional to 322,141.53, 444,543.14 and 178,910.80

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Solution

The fourth proportional to 322,141.53, 444,543.14 and 178,910.80 is: 246,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,141.53 : 444,543.14 = 178,910.80 : x
  2. Step 2: Convert to fraction form
    322,141.53/444,543.14 = 178,910.80/x
  3. Step 3: Cross multiply
    322,141.53x = 444,543.14 × 178,910.80
  4. Step 4: Simplify right side
    322,141.53x = 79,533,566,806.00
  5. Step 5: Solve for x
    x = 79,533,566,806.00/322,141.53
  6. Step 6: Final answer
    x = 246,890.14

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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.