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Finding the Fourth Proportional to 351,672.31, 526,874.22 and 216,501.13

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Solution

The fourth proportional to 351,672.31, 526,874.22 and 216,501.13 is: 324,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,672.31 : 526,874.22 = 216,501.13 : x
  2. Step 2: Convert to fraction form
    351,672.31/526,874.22 = 216,501.13/x
  3. Step 3: Cross multiply
    351,672.31x = 526,874.22 × 216,501.13
  4. Step 4: Simplify right side
    351,672.31x = 114,068,863,997.87
  5. Step 5: Solve for x
    x = 114,068,863,997.87/351,672.31
  6. Step 6: Final answer
    x = 324,361.23

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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.