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Finding the Fourth Proportional to 436.23, 602.06 and 261.59

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Solution

The fourth proportional to 436.23, 602.06 and 261.59 is: 361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.23 : 602.06 = 261.59 : x
  2. Step 2: Convert to fraction form
    436.23/602.06 = 261.59/x
  3. Step 3: Cross multiply
    436.23x = 602.06 × 261.59
  4. Step 4: Simplify right side
    436.23x = 157,488.56
  5. Step 5: Solve for x
    x = 157,488.56/436.23
  6. Step 6: Final answer
    x = 361.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.