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Finding the Fourth Proportional to 665,773.88, 998,668.08 and 192,463.34

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Solution

The fourth proportional to 665,773.88, 998,668.08 and 192,463.34 is: 288,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,773.88 : 998,668.08 = 192,463.34 : x
  2. Step 2: Convert to fraction form
    665,773.88/998,668.08 = 192,463.34/x
  3. Step 3: Cross multiply
    665,773.88x = 998,668.08 × 192,463.34
  4. Step 4: Simplify right side
    665,773.88x = 192,206,989,234.85
  5. Step 5: Solve for x
    x = 192,206,989,234.85/665,773.88
  6. Step 6: Final answer
    x = 288,697.10

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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.