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Finding the Fourth Proportional to 583.95, 805.84 and 335.28

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Solution

The fourth proportional to 583.95, 805.84 and 335.28 is: 462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.95 : 805.84 = 335.28 : x
  2. Step 2: Convert to fraction form
    583.95/805.84 = 335.28/x
  3. Step 3: Cross multiply
    583.95x = 805.84 × 335.28
  4. Step 4: Simplify right side
    583.95x = 270,182.04
  5. Step 5: Solve for x
    x = 270,182.04/583.95
  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.