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Finding the Fourth Proportional to 524,690.72, 787,060.68 and 169,732.42

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Solution

The fourth proportional to 524,690.72, 787,060.68 and 169,732.42 is: 254,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,690.72 : 787,060.68 = 169,732.42 : x
  2. Step 2: Convert to fraction form
    524,690.72/787,060.68 = 169,732.42/x
  3. Step 3: Cross multiply
    524,690.72x = 787,060.68 × 169,732.42
  4. Step 4: Simplify right side
    524,690.72x = 133,589,715,523.57
  5. Step 5: Solve for x
    x = 133,589,715,523.57/524,690.72
  6. Step 6: Final answer
    x = 254,606.59

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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.