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Finding the Fourth Proportional to 402, 602.44 and 362.04

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Solution

The fourth proportional to 402, 602.44 and 362.04 is: 542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402 : 602.44 = 362.04 : x
  2. Step 2: Convert to fraction form
    402/602.44 = 362.04/x
  3. Step 3: Cross multiply
    402x = 602.44 × 362.04
  4. Step 4: Simplify right side
    402x = 218,107.38
  5. Step 5: Solve for x
    x = 218,107.38/402
  6. Step 6: Final answer
    x = 542.56

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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.