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Finding the Fourth Proportional to 732.37, 1,098.57 and 245.56

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Solution

The fourth proportional to 732.37, 1,098.57 and 245.56 is: 368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.37 : 1,098.57 = 245.56 : x
  2. Step 2: Convert to fraction form
    732.37/1,098.57 = 245.56/x
  3. Step 3: Cross multiply
    732.37x = 1,098.57 × 245.56
  4. Step 4: Simplify right side
    732.37x = 269,764.85
  5. Step 5: Solve for x
    x = 269,764.85/732.37
  6. Step 6: Final answer
    x = 368.35

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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.