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Finding the Fourth Proportional to 493,645.33, 681,231.05 and 267,290.29

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Solution

The fourth proportional to 493,645.33, 681,231.05 and 267,290.29 is: 368,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,645.33 : 681,231.05 = 267,290.29 : x
  2. Step 2: Convert to fraction form
    493,645.33/681,231.05 = 267,290.29/x
  3. Step 3: Cross multiply
    493,645.33x = 681,231.05 × 267,290.29
  4. Step 4: Simplify right side
    493,645.33x = 182,086,444,911.51
  5. Step 5: Solve for x
    x = 182,086,444,911.51/493,645.33
  6. Step 6: Final answer
    x = 368,860.87

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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.