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Finding the Fourth Proportional to 576,522.36, 864,694.83 and 192,277.98

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Solution

The fourth proportional to 576,522.36, 864,694.83 and 192,277.98 is: 288,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,522.36 : 864,694.83 = 192,277.98 : x
  2. Step 2: Convert to fraction form
    576,522.36/864,694.83 = 192,277.98/x
  3. Step 3: Cross multiply
    576,522.36x = 864,694.83 × 192,277.98
  4. Step 4: Simplify right side
    576,522.36x = 166,261,775,228.84
  5. Step 5: Solve for x
    x = 166,261,775,228.84/576,522.36
  6. Step 6: Final answer
    x = 288,387.38

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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.