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Finding the Fourth Proportional to 351,693.36, 527,604.84 and 115,049.16

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Solution

The fourth proportional to 351,693.36, 527,604.84 and 115,049.16 is: 172,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,693.36 : 527,604.84 = 115,049.16 : x
  2. Step 2: Convert to fraction form
    351,693.36/527,604.84 = 115,049.16/x
  3. Step 3: Cross multiply
    351,693.36x = 527,604.84 × 115,049.16
  4. Step 4: Simplify right side
    351,693.36x = 60,700,493,653.93
  5. Step 5: Solve for x
    x = 60,700,493,653.93/351,693.36
  6. Step 6: Final answer
    x = 172,594.94

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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.