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Finding the Fourth Proportional to 955.50, 1,433.10 and 262.14

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Solution

The fourth proportional to 955.50, 1,433.10 and 262.14 is: 393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.50 : 1,433.10 = 262.14 : x
  2. Step 2: Convert to fraction form
    955.50/1,433.10 = 262.14/x
  3. Step 3: Cross multiply
    955.50x = 1,433.10 × 262.14
  4. Step 4: Simplify right side
    955.50x = 375,672.83
  5. Step 5: Solve for x
    x = 375,672.83/955.50
  6. Step 6: Final answer
    x = 393.17

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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.