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Finding the Fourth Proportional to 266.04, 399.05 and 150.46

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Solution

The fourth proportional to 266.04, 399.05 and 150.46 is: 225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.04 : 399.05 = 150.46 : x
  2. Step 2: Convert to fraction form
    266.04/399.05 = 150.46/x
  3. Step 3: Cross multiply
    266.04x = 399.05 × 150.46
  4. Step 4: Simplify right side
    266.04x = 60,041.06
  5. Step 5: Solve for x
    x = 60,041.06/266.04
  6. Step 6: Final answer
    x = 225.68

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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.