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Finding the Fourth Proportional to 552,761.51, 828,720.90 and 173,463.48

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Solution

The fourth proportional to 552,761.51, 828,720.90 and 173,463.48 is: 260,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,761.51 : 828,720.90 = 173,463.48 : x
  2. Step 2: Convert to fraction form
    552,761.51/828,720.90 = 173,463.48/x
  3. Step 3: Cross multiply
    552,761.51x = 828,720.90 × 173,463.48
  4. Step 4: Simplify right side
    552,761.51x = 143,752,811,262.73
  5. Step 5: Solve for x
    x = 143,752,811,262.73/552,761.51
  6. Step 6: Final answer
    x = 260,062.99

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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.