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Finding the Fourth Proportional to 351,053.91, 526,248.72 and 216,200.91

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Solution

The fourth proportional to 351,053.91, 526,248.72 and 216,200.91 is: 324,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,053.91 : 526,248.72 = 216,200.91 : x
  2. Step 2: Convert to fraction form
    351,053.91/526,248.72 = 216,200.91/x
  3. Step 3: Cross multiply
    351,053.91x = 526,248.72 × 216,200.91
  4. Step 4: Simplify right side
    351,053.91x = 113,775,452,150.34
  5. Step 5: Solve for x
    x = 113,775,452,150.34/351,053.91
  6. Step 6: Final answer
    x = 324,096.81

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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.