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Finding the Fourth Proportional to 269,371.28, 404,406.84 and 207,085.52

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Solution

The fourth proportional to 269,371.28, 404,406.84 and 207,085.52 is: 310,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,371.28 : 404,406.84 = 207,085.52 : x
  2. Step 2: Convert to fraction form
    269,371.28/404,406.84 = 207,085.52/x
  3. Step 3: Cross multiply
    269,371.28x = 404,406.84 × 207,085.52
  4. Step 4: Simplify right side
    269,371.28x = 83,746,800,752.96
  5. Step 5: Solve for x
    x = 83,746,800,752.96/269,371.28
  6. Step 6: Final answer
    x = 310,897.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.