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Finding the Fourth Proportional to 444.04, 666.24 and 155.50

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Solution

The fourth proportional to 444.04, 666.24 and 155.50 is: 233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.04 : 666.24 = 155.50 : x
  2. Step 2: Convert to fraction form
    444.04/666.24 = 155.50/x
  3. Step 3: Cross multiply
    444.04x = 666.24 × 155.50
  4. Step 4: Simplify right side
    444.04x = 103,600.32
  5. Step 5: Solve for x
    x = 103,600.32/444.04
  6. Step 6: Final answer
    x = 233.31

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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.