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Finding the Fourth Proportional to 283,187.25, 424,780.88 and 116,979.57

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Solution

The fourth proportional to 283,187.25, 424,780.88 and 116,979.57 is: 175,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,187.25 : 424,780.88 = 116,979.57 : x
  2. Step 2: Convert to fraction form
    283,187.25/424,780.88 = 116,979.57/x
  3. Step 3: Cross multiply
    283,187.25x = 424,780.88 × 116,979.57
  4. Step 4: Simplify right side
    283,187.25x = 49,690,684,101.72
  5. Step 5: Solve for x
    x = 49,690,684,101.72/283,187.25
  6. Step 6: Final answer
    x = 175,469.36

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1.5x scale

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.