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Finding the Fourth Proportional to 404.10, 604.98 and 362.42

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Solution

The fourth proportional to 404.10, 604.98 and 362.42 is: 542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.10 : 604.98 = 362.42 : x
  2. Step 2: Convert to fraction form
    404.10/604.98 = 362.42/x
  3. Step 3: Cross multiply
    404.10x = 604.98 × 362.42
  4. Step 4: Simplify right side
    404.10x = 219,256.85
  5. Step 5: Solve for x
    x = 219,256.85/404.10
  6. Step 6: Final answer
    x = 542.58

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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.