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Finding the Fourth Proportional to 503.25, 694.69 and 433.03

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Solution

The fourth proportional to 503.25, 694.69 and 433.03 is: 597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.25 : 694.69 = 433.03 : x
  2. Step 2: Convert to fraction form
    503.25/694.69 = 433.03/x
  3. Step 3: Cross multiply
    503.25x = 694.69 × 433.03
  4. Step 4: Simplify right side
    503.25x = 300,821.61
  5. Step 5: Solve for x
    x = 300,821.61/503.25
  6. Step 6: Final answer
    x = 597.76

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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.