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Finding the Fourth Proportional to 269,369.28, 404,403.84 and 207,083.52

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Solution

The fourth proportional to 269,369.28, 404,403.84 and 207,083.52 is: 310,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,369.28 : 404,403.84 = 207,083.52 : x
  2. Step 2: Convert to fraction form
    269,369.28/404,403.84 = 207,083.52/x
  3. Step 3: Cross multiply
    269,369.28x = 404,403.84 × 207,083.52
  4. Step 4: Simplify right side
    269,369.28x = 83,745,370,688.72
  5. Step 5: Solve for x
    x = 83,745,370,688.72/269,369.28
  6. Step 6: Final answer
    x = 310,894.29

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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.