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Finding the Fourth Proportional to 616,979.27, 925,791.63 and 252,511.43

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Solution

The fourth proportional to 616,979.27, 925,791.63 and 252,511.43 is: 378,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,979.27 : 925,791.63 = 252,511.43 : x
  2. Step 2: Convert to fraction form
    616,979.27/925,791.63 = 252,511.43/x
  3. Step 3: Cross multiply
    616,979.27x = 925,791.63 × 252,511.43
  4. Step 4: Simplify right side
    616,979.27x = 233,772,965,726.90
  5. Step 5: Solve for x
    x = 233,772,965,726.90/616,979.27
  6. Step 6: Final answer
    x = 378,899.22

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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.