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Finding the Fourth Proportional to 436.66, 602.64 and 262

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Solution

The fourth proportional to 436.66, 602.64 and 262 is: 361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.66 : 602.64 = 262 : x
  2. Step 2: Convert to fraction form
    436.66/602.64 = 262/x
  3. Step 3: Cross multiply
    436.66x = 602.64 × 262
  4. Step 4: Simplify right side
    436.66x = 157,891.68
  5. Step 5: Solve for x
    x = 157,891.68/436.66
  6. Step 6: Final answer
    x = 361.59

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Why These Related Problems?

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