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Finding the Fourth Proportional to 494.22, 741.69 and 476.94

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Solution

The fourth proportional to 494.22, 741.69 and 476.94 is: 715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.22 : 741.69 = 476.94 : x
  2. Step 2: Convert to fraction form
    494.22/741.69 = 476.94/x
  3. Step 3: Cross multiply
    494.22x = 741.69 × 476.94
  4. Step 4: Simplify right side
    494.22x = 353,741.63
  5. Step 5: Solve for x
    x = 353,741.63/494.22
  6. Step 6: Final answer
    x = 715.76

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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.