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Finding the Fourth Proportional to 433.89, 598.52 and 268.07

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Solution

The fourth proportional to 433.89, 598.52 and 268.07 is: 369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.89 : 598.52 = 268.07 : x
  2. Step 2: Convert to fraction form
    433.89/598.52 = 268.07/x
  3. Step 3: Cross multiply
    433.89x = 598.52 × 268.07
  4. Step 4: Simplify right side
    433.89x = 160,445.26
  5. Step 5: Solve for x
    x = 160,445.26/433.89
  6. Step 6: Final answer
    x = 369.78

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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.