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Finding the Fourth Proportional to 958.17, 1,437.26 and 264.92

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Solution

The fourth proportional to 958.17, 1,437.26 and 264.92 is: 397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.17 : 1,437.26 = 264.92 : x
  2. Step 2: Convert to fraction form
    958.17/1,437.26 = 264.92/x
  3. Step 3: Cross multiply
    958.17x = 1,437.26 × 264.92
  4. Step 4: Simplify right side
    958.17x = 380,758.92
  5. Step 5: Solve for x
    x = 380,758.92/958.17
  6. Step 6: Final answer
    x = 397.38

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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.