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Finding the Fourth Proportional to 440,679.62, 608,323.92 and 297,633.42

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Solution

The fourth proportional to 440,679.62, 608,323.92 and 297,633.42 is: 410,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,679.62 : 608,323.92 = 297,633.42 : x
  2. Step 2: Convert to fraction form
    440,679.62/608,323.92 = 297,633.42/x
  3. Step 3: Cross multiply
    440,679.62x = 608,323.92 × 297,633.42
  4. Step 4: Simplify right side
    440,679.62x = 181,057,524,247.62
  5. Step 5: Solve for x
    x = 181,057,524,247.62/440,679.62
  6. Step 6: Final answer
    x = 410,859.76

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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.