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Finding the Fourth Proportional to 402, 602.03 and 196.06

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Solution

The fourth proportional to 402, 602.03 and 196.06 is: 293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402 : 602.03 = 196.06 : x
  2. Step 2: Convert to fraction form
    402/602.03 = 196.06/x
  3. Step 3: Cross multiply
    402x = 602.03 × 196.06
  4. Step 4: Simplify right side
    402x = 118,034.00
  5. Step 5: Solve for x
    x = 118,034.00/402
  6. Step 6: Final answer
    x = 293.62

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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.