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Finding the Fourth Proportional to 341,954.60, 512,010.30 and 247,951.40

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Solution

The fourth proportional to 341,954.60, 512,010.30 and 247,951.40 is: 371,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,954.60 : 512,010.30 = 247,951.40 : x
  2. Step 2: Convert to fraction form
    341,954.60/512,010.30 = 247,951.40/x
  3. Step 3: Cross multiply
    341,954.60x = 512,010.30 × 247,951.40
  4. Step 4: Simplify right side
    341,954.60x = 126,953,670,699.42
  5. Step 5: Solve for x
    x = 126,953,670,699.42/341,954.60
  6. Step 6: Final answer
    x = 371,258.85

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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.