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Finding the Fourth Proportional to 358.16, 494.13 and 292.94

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Solution

The fourth proportional to 358.16, 494.13 and 292.94 is: 404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.16 : 494.13 = 292.94 : x
  2. Step 2: Convert to fraction form
    358.16/494.13 = 292.94/x
  3. Step 3: Cross multiply
    358.16x = 494.13 × 292.94
  4. Step 4: Simplify right side
    358.16x = 144,750.44
  5. Step 5: Solve for x
    x = 144,750.44/358.16
  6. Step 6: Final answer
    x = 404.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.