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Finding the Fourth Proportional to 537.62, 741.94 and 316.58

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Solution

The fourth proportional to 537.62, 741.94 and 316.58 is: 436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.62 : 741.94 = 316.58 : x
  2. Step 2: Convert to fraction form
    537.62/741.94 = 316.58/x
  3. Step 3: Cross multiply
    537.62x = 741.94 × 316.58
  4. Step 4: Simplify right side
    537.62x = 234,883.37
  5. Step 5: Solve for x
    x = 234,883.37/537.62
  6. Step 6: Final answer
    x = 436.89

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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.