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Finding the Fourth Proportional to 583.73, 806.44 and 436.11

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Solution

The fourth proportional to 583.73, 806.44 and 436.11 is: 602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.73 : 806.44 = 436.11 : x
  2. Step 2: Convert to fraction form
    583.73/806.44 = 436.11/x
  3. Step 3: Cross multiply
    583.73x = 806.44 × 436.11
  4. Step 4: Simplify right side
    583.73x = 351,695.46
  5. Step 5: Solve for x
    x = 351,695.46/583.73
  6. Step 6: Final answer
    x = 602.49

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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.