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Finding the Fourth Proportional to 1,704.46, 2,556.14 and 549.94

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Solution

The fourth proportional to 1,704.46, 2,556.14 and 549.94 is: 824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.46 : 2,556.14 = 549.94 : x
  2. Step 2: Convert to fraction form
    1,704.46/2,556.14 = 549.94/x
  3. Step 3: Cross multiply
    1,704.46x = 2,556.14 × 549.94
  4. Step 4: Simplify right side
    1,704.46x = 1,405,718.62
  5. Step 5: Solve for x
    x = 1,405,718.62/1,704.46
  6. Step 6: Final answer
    x = 824.73

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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.