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Finding the Fourth Proportional to 558, 835.50 and 297.44

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Solution

The fourth proportional to 558, 835.50 and 297.44 is: 445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558 : 835.50 = 297.44 : x
  2. Step 2: Convert to fraction form
    558/835.50 = 297.44/x
  3. Step 3: Cross multiply
    558x = 835.50 × 297.44
  4. Step 4: Simplify right side
    558x = 248,511.12
  5. Step 5: Solve for x
    x = 248,511.12/558
  6. Step 6: Final answer
    x = 445.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.