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Finding the Fourth Proportional to 331,882.92, 457,832.61 and 209,526.93

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Solution

The fourth proportional to 331,882.92, 457,832.61 and 209,526.93 is: 289,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,882.92 : 457,832.61 = 209,526.93 : x
  2. Step 2: Convert to fraction form
    331,882.92/457,832.61 = 209,526.93/x
  3. Step 3: Cross multiply
    331,882.92x = 457,832.61 × 209,526.93
  4. Step 4: Simplify right side
    331,882.92x = 95,928,261,227.19
  5. Step 5: Solve for x
    x = 95,928,261,227.19/331,882.92
  6. Step 6: Final answer
    x = 289,042.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.