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Finding the Fourth Proportional to 541.08, 746.52 and 316.97

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Solution

The fourth proportional to 541.08, 746.52 and 316.97 is: 437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.08 : 746.52 = 316.97 : x
  2. Step 2: Convert to fraction form
    541.08/746.52 = 316.97/x
  3. Step 3: Cross multiply
    541.08x = 746.52 × 316.97
  4. Step 4: Simplify right side
    541.08x = 236,620.71
  5. Step 5: Solve for x
    x = 236,620.71/541.08
  6. Step 6: Final answer
    x = 437.31

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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.