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Finding the Fourth Proportional to 322,153.38, 444,588.48 and 178,909.74

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Solution

The fourth proportional to 322,153.38, 444,588.48 and 178,909.74 is: 246,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,153.38 : 444,588.48 = 178,909.74 : x
  2. Step 2: Convert to fraction form
    322,153.38/444,588.48 = 178,909.74/x
  3. Step 3: Cross multiply
    322,153.38x = 444,588.48 × 178,909.74
  4. Step 4: Simplify right side
    322,153.38x = 79,541,209,363.80
  5. Step 5: Solve for x
    x = 79,541,209,363.80/322,153.38
  6. Step 6: Final answer
    x = 246,904.78

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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.