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Finding the Fourth Proportional to 348,026.81, 480,290.17 and 195,067.80

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Solution

The fourth proportional to 348,026.81, 480,290.17 and 195,067.80 is: 269,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.81 : 480,290.17 = 195,067.80 : x
  2. Step 2: Convert to fraction form
    348,026.81/480,290.17 = 195,067.80/x
  3. Step 3: Cross multiply
    348,026.81x = 480,290.17 × 195,067.80
  4. Step 4: Simplify right side
    348,026.81x = 93,689,146,823.53
  5. Step 5: Solve for x
    x = 93,689,146,823.53/348,026.81
  6. Step 6: Final answer
    x = 269,200.95

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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.