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Finding the Fourth Proportional to 338,718.76, 467,470.38 and 195,517.24

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Solution

The fourth proportional to 338,718.76, 467,470.38 and 195,517.24 is: 269,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,718.76 : 467,470.38 = 195,517.24 : x
  2. Step 2: Convert to fraction form
    338,718.76/467,470.38 = 195,517.24/x
  3. Step 3: Cross multiply
    338,718.76x = 467,470.38 × 195,517.24
  4. Step 4: Simplify right side
    338,718.76x = 91,398,518,479.35
  5. Step 5: Solve for x
    x = 91,398,518,479.35/338,718.76
  6. Step 6: Final answer
    x = 269,836.01

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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.