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Finding the Fourth Proportional to 549.22, 824.55 and 503.94

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Solution

The fourth proportional to 549.22, 824.55 and 503.94 is: 756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.22 : 824.55 = 503.94 : x
  2. Step 2: Convert to fraction form
    549.22/824.55 = 503.94/x
  3. Step 3: Cross multiply
    549.22x = 824.55 × 503.94
  4. Step 4: Simplify right side
    549.22x = 415,523.73
  5. Step 5: Solve for x
    x = 415,523.73/549.22
  6. Step 6: Final answer
    x = 756.57

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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.