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Finding the Fourth Proportional to 444, 665.88 and 151.51

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Solution

The fourth proportional to 444, 665.88 and 151.51 is: 227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444 : 665.88 = 151.51 : x
  2. Step 2: Convert to fraction form
    444/665.88 = 151.51/x
  3. Step 3: Cross multiply
    444x = 665.88 × 151.51
  4. Step 4: Simplify right side
    444x = 100,887.48
  5. Step 5: Solve for x
    x = 100,887.48/444
  6. Step 6: Final answer
    x = 227.22

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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.