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Finding the Fourth Proportional to 259,481.71, 357,766.63 and 213,380.25

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Solution

The fourth proportional to 259,481.71, 357,766.63 and 213,380.25 is: 294,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,481.71 : 357,766.63 = 213,380.25 : x
  2. Step 2: Convert to fraction form
    259,481.71/357,766.63 = 213,380.25/x
  3. Step 3: Cross multiply
    259,481.71x = 357,766.63 × 213,380.25
  4. Step 4: Simplify right side
    259,481.71x = 76,340,333,473.39
  5. Step 5: Solve for x
    x = 76,340,333,473.39/259,481.71
  6. Step 6: Final answer
    x = 294,203.14

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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.