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Finding the Fourth Proportional to 361.16, 497.54 and 295.55

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Solution

The fourth proportional to 361.16, 497.54 and 295.55 is: 407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.16 : 497.54 = 295.55 : x
  2. Step 2: Convert to fraction form
    361.16/497.54 = 295.55/x
  3. Step 3: Cross multiply
    361.16x = 497.54 × 295.55
  4. Step 4: Simplify right side
    361.16x = 147,048.06
  5. Step 5: Solve for x
    x = 147,048.06/361.16
  6. Step 6: Final answer
    x = 407.16

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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.