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Finding the Fourth Proportional to 524,694.88, 787,085.60 and 169,765.92

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Solution

The fourth proportional to 524,694.88, 787,085.60 and 169,765.92 is: 254,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,694.88 : 787,085.60 = 169,765.92 : x
  2. Step 2: Convert to fraction form
    524,694.88/787,085.60 = 169,765.92/x
  3. Step 3: Cross multiply
    524,694.88x = 787,085.60 × 169,765.92
  4. Step 4: Simplify right side
    524,694.88x = 133,620,311,002.75
  5. Step 5: Solve for x
    x = 133,620,311,002.75/524,694.88
  6. Step 6: Final answer
    x = 254,662.88

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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.