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Finding the Fourth Proportional to 737.01, 1,105.47 and 216.99

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Solution

The fourth proportional to 737.01, 1,105.47 and 216.99 is: 325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.01 : 1,105.47 = 216.99 : x
  2. Step 2: Convert to fraction form
    737.01/1,105.47 = 216.99/x
  3. Step 3: Cross multiply
    737.01x = 1,105.47 × 216.99
  4. Step 4: Simplify right side
    737.01x = 239,875.94
  5. Step 5: Solve for x
    x = 239,875.94/737.01
  6. Step 6: Final answer
    x = 325.47

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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.