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Finding the Fourth Proportional to 338,899.31, 467,297.55 and 216,227.54

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Solution

The fourth proportional to 338,899.31, 467,297.55 and 216,227.54 is: 298,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,899.31 : 467,297.55 = 216,227.54 : x
  2. Step 2: Convert to fraction form
    338,899.31/467,297.55 = 216,227.54/x
  3. Step 3: Cross multiply
    338,899.31x = 467,297.55 × 216,227.54
  4. Step 4: Simplify right side
    338,899.31x = 101,042,599,684.53
  5. Step 5: Solve for x
    x = 101,042,599,684.53/338,899.31
  6. Step 6: Final answer
    x = 298,149.32

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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.