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Finding the Fourth Proportional to 361.98, 542.76 and 301.50

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Solution

The fourth proportional to 361.98, 542.76 and 301.50 is: 452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.98 : 542.76 = 301.50 : x
  2. Step 2: Convert to fraction form
    361.98/542.76 = 301.50/x
  3. Step 3: Cross multiply
    361.98x = 542.76 × 301.50
  4. Step 4: Simplify right side
    361.98x = 163,642.14
  5. Step 5: Solve for x
    x = 163,642.14/361.98
  6. Step 6: Final answer
    x = 452.08

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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.