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Finding the Fourth Proportional to 637,694.88, 955,886.22 and 282,876

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Solution

The fourth proportional to 637,694.88, 955,886.22 and 282,876 is: 424,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,694.88 : 955,886.22 = 282,876 : x
  2. Step 2: Convert to fraction form
    637,694.88/955,886.22 = 282,876/x
  3. Step 3: Cross multiply
    637,694.88x = 955,886.22 × 282,876
  4. Step 4: Simplify right side
    637,694.88x = 270,397,270,368.72
  5. Step 5: Solve for x
    x = 270,397,270,368.72/637,694.88
  6. Step 6: Final answer
    x = 424,022.96

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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.