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Finding the Fourth Proportional to 537.57, 741.64 and 351

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Solution

The fourth proportional to 537.57, 741.64 and 351 is: 484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.57 : 741.64 = 351 : x
  2. Step 2: Convert to fraction form
    537.57/741.64 = 351/x
  3. Step 3: Cross multiply
    537.57x = 741.64 × 351
  4. Step 4: Simplify right side
    537.57x = 260,315.64
  5. Step 5: Solve for x
    x = 260,315.64/537.57
  6. Step 6: Final answer
    x = 484.25

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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.