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Finding the Fourth Proportional to 351,687.16, 526,929.72 and 251,334.64

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Solution

The fourth proportional to 351,687.16, 526,929.72 and 251,334.64 is: 376,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,687.16 : 526,929.72 = 251,334.64 : x
  2. Step 2: Convert to fraction form
    351,687.16/526,929.72 = 251,334.64/x
  3. Step 3: Cross multiply
    351,687.16x = 526,929.72 × 251,334.64
  4. Step 4: Simplify right side
    351,687.16x = 132,435,691,481.50
  5. Step 5: Solve for x
    x = 132,435,691,481.50/351,687.16
  6. Step 6: Final answer
    x = 376,572.44

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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.