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Finding the Fourth Proportional to 351,672.05, 526,873.85 and 216,500.87

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Solution

The fourth proportional to 351,672.05, 526,873.85 and 216,500.87 is: 324,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,672.05 : 526,873.85 = 216,500.87 : x
  2. Step 2: Convert to fraction form
    351,672.05/526,873.85 = 216,500.87/x
  3. Step 3: Cross multiply
    351,672.05x = 526,873.85 × 216,500.87
  4. Step 4: Simplify right side
    351,672.05x = 114,068,647,951.81
  5. Step 5: Solve for x
    x = 114,068,647,951.81/351,672.05
  6. Step 6: Final answer
    x = 324,360.86

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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.