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Finding the Fourth Proportional to 351,768.27, 526,391.10 and 304,545.78

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Solution

The fourth proportional to 351,768.27, 526,391.10 and 304,545.78 is: 455,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,768.27 : 526,391.10 = 304,545.78 : x
  2. Step 2: Convert to fraction form
    351,768.27/526,391.10 = 304,545.78/x
  3. Step 3: Cross multiply
    351,768.27x = 526,391.10 × 304,545.78
  4. Step 4: Simplify right side
    351,768.27x = 160,310,188,134.56
  5. Step 5: Solve for x
    x = 160,310,188,134.56/351,768.27
  6. Step 6: Final answer
    x = 455,726.69

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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.