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Finding the Fourth Proportional to 497.16, 746 and 361.32

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Solution

The fourth proportional to 497.16, 746 and 361.32 is: 542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.16 : 746 = 361.32 : x
  2. Step 2: Convert to fraction form
    497.16/746 = 361.32/x
  3. Step 3: Cross multiply
    497.16x = 746 × 361.32
  4. Step 4: Simplify right side
    497.16x = 269,544.72
  5. Step 5: Solve for x
    x = 269,544.72/497.16
  6. Step 6: Final answer
    x = 542.17

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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.