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Finding the Fourth Proportional to 583.77, 805.74 and 335.22

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Solution

The fourth proportional to 583.77, 805.74 and 335.22 is: 462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.77 : 805.74 = 335.22 : x
  2. Step 2: Convert to fraction form
    583.77/805.74 = 335.22/x
  3. Step 3: Cross multiply
    583.77x = 805.74 × 335.22
  4. Step 4: Simplify right side
    583.77x = 270,100.16
  5. Step 5: Solve for x
    x = 270,100.16/583.77
  6. Step 6: Final answer
    x = 462.68

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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.