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Finding the Fourth Proportional to 268,357.26, 370,657.80 and 195,645

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Solution

The fourth proportional to 268,357.26, 370,657.80 and 195,645 is: 270,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,357.26 : 370,657.80 = 195,645 : x
  2. Step 2: Convert to fraction form
    268,357.26/370,657.80 = 195,645/x
  3. Step 3: Cross multiply
    268,357.26x = 370,657.80 × 195,645
  4. Step 4: Simplify right side
    268,357.26x = 72,517,345,281
  5. Step 5: Solve for x
    x = 72,517,345,281/268,357.26
  6. Step 6: Final answer
    x = 270,226.88

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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.