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Finding the Fourth Proportional to 358.48, 538.07 and 294.24

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Solution

The fourth proportional to 358.48, 538.07 and 294.24 is: 441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.48 : 538.07 = 294.24 : x
  2. Step 2: Convert to fraction form
    358.48/538.07 = 294.24/x
  3. Step 3: Cross multiply
    358.48x = 538.07 × 294.24
  4. Step 4: Simplify right side
    358.48x = 158,321.72
  5. Step 5: Solve for x
    x = 158,321.72/358.48
  6. Step 6: Final answer
    x = 441.65

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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.