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Finding the Fourth Proportional to 252, 377.37 and 190.98

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Solution

The fourth proportional to 252, 377.37 and 190.98 is: 285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 377.37 = 190.98 : x
  2. Step 2: Convert to fraction form
    252/377.37 = 190.98/x
  3. Step 3: Cross multiply
    252x = 377.37 × 190.98
  4. Step 4: Simplify right side
    252x = 72,070.12
  5. Step 5: Solve for x
    x = 72,070.12/252
  6. Step 6: Final answer
    x = 285.99

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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.