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Finding the Fourth Proportional to 666,057.84, 998,849.83 and 192,645.24

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Solution

The fourth proportional to 666,057.84, 998,849.83 and 192,645.24 is: 288,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,057.84 : 998,849.83 = 192,645.24 : x
  2. Step 2: Convert to fraction form
    666,057.84/998,849.83 = 192,645.24/x
  3. Step 3: Cross multiply
    666,057.84x = 998,849.83 × 192,645.24
  4. Step 4: Simplify right side
    666,057.84x = 192,423,665,224.31
  5. Step 5: Solve for x
    x = 192,423,665,224.31/666,057.84
  6. Step 6: Final answer
    x = 288,899.33

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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.