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Finding the Fourth Proportional to 677,092.75, 934,388.13 and 375,286.75

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Solution

The fourth proportional to 677,092.75, 934,388.13 and 375,286.75 is: 517,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,092.75 : 934,388.13 = 375,286.75 : x
  2. Step 2: Convert to fraction form
    677,092.75/934,388.13 = 375,286.75/x
  3. Step 3: Cross multiply
    677,092.75x = 934,388.13 × 375,286.75
  4. Step 4: Simplify right side
    677,092.75x = 350,663,484,546.28
  5. Step 5: Solve for x
    x = 350,663,484,546.28/677,092.75
  6. Step 6: Final answer
    x = 517,895.79

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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.