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Finding the Fourth Proportional to 625,093.54, 862,767.85 and 380,026.22

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Solution

The fourth proportional to 625,093.54, 862,767.85 and 380,026.22 is: 524,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,093.54 : 862,767.85 = 380,026.22 : x
  2. Step 2: Convert to fraction form
    625,093.54/862,767.85 = 380,026.22/x
  3. Step 3: Cross multiply
    625,093.54x = 862,767.85 × 380,026.22
  4. Step 4: Simplify right side
    625,093.54x = 327,874,404,773.03
  5. Step 5: Solve for x
    x = 327,874,404,773.03/625,093.54
  6. Step 6: Final answer
    x = 524,520.55

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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.