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Finding the Fourth Proportional to 584.36, 806.48 and 335.76

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Solution

The fourth proportional to 584.36, 806.48 and 335.76 is: 463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.36 : 806.48 = 335.76 : x
  2. Step 2: Convert to fraction form
    584.36/806.48 = 335.76/x
  3. Step 3: Cross multiply
    584.36x = 806.48 × 335.76
  4. Step 4: Simplify right side
    584.36x = 270,783.72
  5. Step 5: Solve for x
    x = 270,783.72/584.36
  6. Step 6: Final answer
    x = 463.39

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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.