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Finding the Fourth Proportional to 866,375.38, 1,299,064.38 and 333,827.92

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Solution

The fourth proportional to 866,375.38, 1,299,064.38 and 333,827.92 is: 500,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,375.38 : 1,299,064.38 = 333,827.92 : x
  2. Step 2: Convert to fraction form
    866,375.38/1,299,064.38 = 333,827.92/x
  3. Step 3: Cross multiply
    866,375.38x = 1,299,064.38 × 333,827.92
  4. Step 4: Simplify right side
    866,375.38x = 433,663,959,921.49
  5. Step 5: Solve for x
    x = 433,663,959,921.49/866,375.38
  6. Step 6: Final answer
    x = 500,549.73

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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.