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Finding the Fourth Proportional to 1,703.27, 2,554.37 and 548.75

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Solution

The fourth proportional to 1,703.27, 2,554.37 and 548.75 is: 822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.27 : 2,554.37 = 548.75 : x
  2. Step 2: Convert to fraction form
    1,703.27/2,554.37 = 548.75/x
  3. Step 3: Cross multiply
    1,703.27x = 2,554.37 × 548.75
  4. Step 4: Simplify right side
    1,703.27x = 1,401,707.79
  5. Step 5: Solve for x
    x = 1,401,707.79/1,703.27
  6. Step 6: Final answer
    x = 822.95

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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.