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Finding the Fourth Proportional to 503.44, 693.98 and 433.13

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Solution

The fourth proportional to 503.44, 693.98 and 433.13 is: 597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.44 : 693.98 = 433.13 : x
  2. Step 2: Convert to fraction form
    503.44/693.98 = 433.13/x
  3. Step 3: Cross multiply
    503.44x = 693.98 × 433.13
  4. Step 4: Simplify right side
    503.44x = 300,581.17
  5. Step 5: Solve for x
    x = 300,581.17/503.44
  6. Step 6: Final answer
    x = 597.06

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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.