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Finding the Fourth Proportional to 584, 805.92 and 351.13

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Solution

The fourth proportional to 584, 805.92 and 351.13 is: 484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    584 : 805.92 = 351.13 : x
  2. Step 2: Convert to fraction form
    584/805.92 = 351.13/x
  3. Step 3: Cross multiply
    584x = 805.92 × 351.13
  4. Step 4: Simplify right side
    584x = 282,982.69
  5. Step 5: Solve for x
    x = 282,982.69/584
  6. Step 6: Final answer
    x = 484.56

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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.