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Finding the Fourth Proportional to 358.93, 538.56 and 176.22

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Solution

The fourth proportional to 358.93, 538.56 and 176.22 is: 264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.93 : 538.56 = 176.22 : x
  2. Step 2: Convert to fraction form
    358.93/538.56 = 176.22/x
  3. Step 3: Cross multiply
    358.93x = 538.56 × 176.22
  4. Step 4: Simplify right side
    358.93x = 94,905.04
  5. Step 5: Solve for x
    x = 94,905.04/358.93
  6. Step 6: Final answer
    x = 264.41

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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.