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Finding the Fourth Proportional to 537.46, 741.61 and 316.37

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Solution

The fourth proportional to 537.46, 741.61 and 316.37 is: 436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.46 : 741.61 = 316.37 : x
  2. Step 2: Convert to fraction form
    537.46/741.61 = 316.37/x
  3. Step 3: Cross multiply
    537.46x = 741.61 × 316.37
  4. Step 4: Simplify right side
    537.46x = 234,623.16
  5. Step 5: Solve for x
    x = 234,623.16/537.46
  6. Step 6: Final answer
    x = 436.54

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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.