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Finding the Fourth Proportional to 351,489.52, 527,315.46 and 114,849.64

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Solution

The fourth proportional to 351,489.52, 527,315.46 and 114,849.64 is: 172,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,489.52 : 527,315.46 = 114,849.64 : x
  2. Step 2: Convert to fraction form
    351,489.52/527,315.46 = 114,849.64/x
  3. Step 3: Cross multiply
    351,489.52x = 527,315.46 × 114,849.64
  4. Step 4: Simplify right side
    351,489.52x = 60,561,990,747.43
  5. Step 5: Solve for x
    x = 60,561,990,747.43/351,489.52
  6. Step 6: Final answer
    x = 172,300.99

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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.