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Finding the Fourth Proportional to 386,375.96, 532,735.44 and 250,360.27

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Solution

The fourth proportional to 386,375.96, 532,735.44 and 250,360.27 is: 345,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,375.96 : 532,735.44 = 250,360.27 : x
  2. Step 2: Convert to fraction form
    386,375.96/532,735.44 = 250,360.27/x
  3. Step 3: Cross multiply
    386,375.96x = 532,735.44 × 250,360.27
  4. Step 4: Simplify right side
    386,375.96x = 133,375,788,596.97
  5. Step 5: Solve for x
    x = 133,375,788,596.97/386,375.96
  6. Step 6: Final answer
    x = 345,196.91

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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.