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Finding the Fourth Proportional to 558.24, 837.52 and 173.60

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Solution

The fourth proportional to 558.24, 837.52 and 173.60 is: 260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.24 : 837.52 = 173.60 : x
  2. Step 2: Convert to fraction form
    558.24/837.52 = 173.60/x
  3. Step 3: Cross multiply
    558.24x = 837.52 × 173.60
  4. Step 4: Simplify right side
    558.24x = 145,393.47
  5. Step 5: Solve for x
    x = 145,393.47/558.24
  6. Step 6: Final answer
    x = 260.45

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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.