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Finding the Fourth Proportional to 439,049.78, 605,916.69 and 269,260.82

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Solution

The fourth proportional to 439,049.78, 605,916.69 and 269,260.82 is: 371,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,049.78 : 605,916.69 = 269,260.82 : x
  2. Step 2: Convert to fraction form
    439,049.78/605,916.69 = 269,260.82/x
  3. Step 3: Cross multiply
    439,049.78x = 605,916.69 × 269,260.82
  4. Step 4: Simplify right side
    439,049.78x = 163,149,624,801.09
  5. Step 5: Solve for x
    x = 163,149,624,801.09/439,049.78
  6. Step 6: Final answer
    x = 371,597.10

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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.