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Finding the Fourth Proportional to 276,696.10, 415,044.15 and 230,040.10

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Solution

The fourth proportional to 276,696.10, 415,044.15 and 230,040.10 is: 345,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,696.10 : 415,044.15 = 230,040.10 : x
  2. Step 2: Convert to fraction form
    276,696.10/415,044.15 = 230,040.10/x
  3. Step 3: Cross multiply
    276,696.10x = 415,044.15 × 230,040.10
  4. Step 4: Simplify right side
    276,696.10x = 95,476,797,770.42
  5. Step 5: Solve for x
    x = 95,476,797,770.42/276,696.10
  6. Step 6: Final answer
    x = 345,060.15

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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.