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Finding the Fourth Proportional to 482,494.26, 665,829.23 and 278,538.29

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Solution

The fourth proportional to 482,494.26, 665,829.23 and 278,538.29 is: 384,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,494.26 : 665,829.23 = 278,538.29 : x
  2. Step 2: Convert to fraction form
    482,494.26/665,829.23 = 278,538.29/x
  3. Step 3: Cross multiply
    482,494.26x = 665,829.23 × 278,538.29
  4. Step 4: Simplify right side
    482,494.26x = 185,458,930,434.38
  5. Step 5: Solve for x
    x = 185,458,930,434.38/482,494.26
  6. Step 6: Final answer
    x = 384,375.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.