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Finding the Fourth Proportional to 524,886.75, 787,446.78 and 192,462.75

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Solution

The fourth proportional to 524,886.75, 787,446.78 and 192,462.75 is: 288,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,886.75 : 787,446.78 = 192,462.75 : x
  2. Step 2: Convert to fraction form
    524,886.75/787,446.78 = 192,462.75/x
  3. Step 3: Cross multiply
    524,886.75x = 787,446.78 × 192,462.75
  4. Step 4: Simplify right side
    524,886.75x = 151,554,172,757.45
  5. Step 5: Solve for x
    x = 151,554,172,757.45/524,886.75
  6. Step 6: Final answer
    x = 288,736.90

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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.