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Finding the Fourth Proportional to 260,900.06, 360,766.81 and 207,091.65

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Solution

The fourth proportional to 260,900.06, 360,766.81 and 207,091.65 is: 286,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,900.06 : 360,766.81 = 207,091.65 : x
  2. Step 2: Convert to fraction form
    260,900.06/360,766.81 = 207,091.65/x
  3. Step 3: Cross multiply
    260,900.06x = 360,766.81 × 207,091.65
  4. Step 4: Simplify right side
    260,900.06x = 74,711,795,559.88
  5. Step 5: Solve for x
    x = 74,711,795,559.88/260,900.06
  6. Step 6: Final answer
    x = 286,361.75

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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.