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Finding the Fourth Proportional to 552,257.10, 828,395.99 and 173,169.51

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Solution

The fourth proportional to 552,257.10, 828,395.99 and 173,169.51 is: 259,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,257.10 : 828,395.99 = 173,169.51 : x
  2. Step 2: Convert to fraction form
    552,257.10/828,395.99 = 173,169.51/x
  3. Step 3: Cross multiply
    552,257.10x = 828,395.99 × 173,169.51
  4. Step 4: Simplify right side
    552,257.10x = 143,452,926,808.42
  5. Step 5: Solve for x
    x = 143,452,926,808.42/552,257.10
  6. Step 6: Final answer
    x = 259,757.51

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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.