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Finding the Fourth Proportional to 363.99, 546 and 104.02

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Solution

The fourth proportional to 363.99, 546 and 104.02 is: 156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.99 : 546 = 104.02 : x
  2. Step 2: Convert to fraction form
    363.99/546 = 104.02/x
  3. Step 3: Cross multiply
    363.99x = 546 × 104.02
  4. Step 4: Simplify right side
    363.99x = 56,794.92
  5. Step 5: Solve for x
    x = 56,794.92/363.99
  6. Step 6: Final answer
    x = 156.03

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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.