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Finding the Fourth Proportional to 433.99, 598.88 and 268.22

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Solution

The fourth proportional to 433.99, 598.88 and 268.22 is: 370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.99 : 598.88 = 268.22 : x
  2. Step 2: Convert to fraction form
    433.99/598.88 = 268.22/x
  3. Step 3: Cross multiply
    433.99x = 598.88 × 268.22
  4. Step 4: Simplify right side
    433.99x = 160,628.60
  5. Step 5: Solve for x
    x = 160,628.60/433.99
  6. Step 6: Final answer
    x = 370.12

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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.