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Finding the Fourth Proportional to 341,853.01, 512,801.38 and 131,490.95

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Solution

The fourth proportional to 341,853.01, 512,801.38 and 131,490.95 is: 197,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,853.01 : 512,801.38 = 131,490.95 : x
  2. Step 2: Convert to fraction form
    341,853.01/512,801.38 = 131,490.95/x
  3. Step 3: Cross multiply
    341,853.01x = 512,801.38 × 131,490.95
  4. Step 4: Simplify right side
    341,853.01x = 67,428,738,217.87
  5. Step 5: Solve for x
    x = 67,428,738,217.87/341,853.01
  6. Step 6: Final answer
    x = 197,244.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.