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Finding the Fourth Proportional to 584.92, 807.06 and 352.12

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Solution

The fourth proportional to 584.92, 807.06 and 352.12 is: 485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.92 : 807.06 = 352.12 : x
  2. Step 2: Convert to fraction form
    584.92/807.06 = 352.12/x
  3. Step 3: Cross multiply
    584.92x = 807.06 × 352.12
  4. Step 4: Simplify right side
    584.92x = 284,181.97
  5. Step 5: Solve for x
    x = 284,181.97/584.92
  6. Step 6: Final answer
    x = 485.85

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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.