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Finding the Fourth Proportional to 297,290.71, 445,951.02 and 84,073.94

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Solution

The fourth proportional to 297,290.71, 445,951.02 and 84,073.94 is: 126,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,290.71 : 445,951.02 = 84,073.94 : x
  2. Step 2: Convert to fraction form
    297,290.71/445,951.02 = 84,073.94/x
  3. Step 3: Cross multiply
    297,290.71x = 445,951.02 × 84,073.94
  4. Step 4: Simplify right side
    297,290.71x = 37,492,857,383.94
  5. Step 5: Solve for x
    x = 37,492,857,383.94/297,290.71
  6. Step 6: Final answer
    x = 126,115.13

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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.