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Finding the Fourth Proportional to 444, 666.02 and 155.44

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Solution

The fourth proportional to 444, 666.02 and 155.44 is: 233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444 : 666.02 = 155.44 : x
  2. Step 2: Convert to fraction form
    444/666.02 = 155.44/x
  3. Step 3: Cross multiply
    444x = 666.02 × 155.44
  4. Step 4: Simplify right side
    444x = 103,526.15
  5. Step 5: Solve for x
    x = 103,526.15/444
  6. Step 6: Final answer
    x = 233.17

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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.