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Finding the Fourth Proportional to 294,863.64, 442,310.58 and 84,503.40

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Solution

The fourth proportional to 294,863.64, 442,310.58 and 84,503.40 is: 126,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,863.64 : 442,310.58 = 84,503.40 : x
  2. Step 2: Convert to fraction form
    294,863.64/442,310.58 = 84,503.40/x
  3. Step 3: Cross multiply
    294,863.64x = 442,310.58 × 84,503.40
  4. Step 4: Simplify right side
    294,863.64x = 37,376,747,865.97
  5. Step 5: Solve for x
    x = 37,376,747,865.97/294,863.64
  6. Step 6: Final answer
    x = 126,759.43

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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.