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Finding the Fourth Proportional to 317.07, 476.04 and 194.94

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Solution

The fourth proportional to 317.07, 476.04 and 194.94 is: 292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.07 : 476.04 = 194.94 : x
  2. Step 2: Convert to fraction form
    317.07/476.04 = 194.94/x
  3. Step 3: Cross multiply
    317.07x = 476.04 × 194.94
  4. Step 4: Simplify right side
    317.07x = 92,799.24
  5. Step 5: Solve for x
    x = 92,799.24/317.07
  6. Step 6: Final answer
    x = 292.68

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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.