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Finding the Fourth Proportional to 260,716.68, 359,825.44 and 188,353.66

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Solution

The fourth proportional to 260,716.68, 359,825.44 and 188,353.66 is: 259,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,716.68 : 359,825.44 = 188,353.66 : x
  2. Step 2: Convert to fraction form
    260,716.68/359,825.44 = 188,353.66/x
  3. Step 3: Cross multiply
    260,716.68x = 359,825.44 × 188,353.66
  4. Step 4: Simplify right side
    260,716.68x = 67,774,438,585.11
  5. Step 5: Solve for x
    x = 67,774,438,585.11/260,716.68
  6. Step 6: Final answer
    x = 259,954.36

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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.