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Finding the Fourth Proportional to 365.98, 549.05 and 173.50

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Solution

The fourth proportional to 365.98, 549.05 and 173.50 is: 260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.98 : 549.05 = 173.50 : x
  2. Step 2: Convert to fraction form
    365.98/549.05 = 173.50/x
  3. Step 3: Cross multiply
    365.98x = 549.05 × 173.50
  4. Step 4: Simplify right side
    365.98x = 95,260.18
  5. Step 5: Solve for x
    x = 95,260.18/365.98
  6. Step 6: Final answer
    x = 260.29

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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.