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Finding the Fourth Proportional to 341,958.60, 512,016.30 and 247,955.40

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Solution

The fourth proportional to 341,958.60, 512,016.30 and 247,955.40 is: 371,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,958.60 : 512,016.30 = 247,955.40 : x
  2. Step 2: Convert to fraction form
    341,958.60/512,016.30 = 247,955.40/x
  3. Step 3: Cross multiply
    341,958.60x = 512,016.30 × 247,955.40
  4. Step 4: Simplify right side
    341,958.60x = 126,957,206,473.02
  5. Step 5: Solve for x
    x = 126,957,206,473.02/341,958.60
  6. Step 6: Final answer
    x = 371,264.84

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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.