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Finding the Fourth Proportional to 351,687.66, 526,930.47 and 251,335.14

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Solution

The fourth proportional to 351,687.66, 526,930.47 and 251,335.14 is: 376,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,687.66 : 526,930.47 = 251,335.14 : x
  2. Step 2: Convert to fraction form
    351,687.66/526,930.47 = 251,335.14/x
  3. Step 3: Cross multiply
    351,687.66x = 526,930.47 × 251,335.14
  4. Step 4: Simplify right side
    351,687.66x = 132,436,143,447.72
  5. Step 5: Solve for x
    x = 132,436,143,447.72/351,687.66
  6. Step 6: Final answer
    x = 376,573.19

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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.