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Finding the Fourth Proportional to 341,712.75, 512,180.19 and 151,887.90

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Solution

The fourth proportional to 341,712.75, 512,180.19 and 151,887.90 is: 227,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,712.75 : 512,180.19 = 151,887.90 : x
  2. Step 2: Convert to fraction form
    341,712.75/512,180.19 = 151,887.90/x
  3. Step 3: Cross multiply
    341,712.75x = 512,180.19 × 151,887.90
  4. Step 4: Simplify right side
    341,712.75x = 77,793,973,480.70
  5. Step 5: Solve for x
    x = 77,793,973,480.70/341,712.75
  6. Step 6: Final answer
    x = 227,658.97

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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.