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Finding the Fourth Proportional to 958.62, 1,437.95 and 265.34

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Solution

The fourth proportional to 958.62, 1,437.95 and 265.34 is: 398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.62 : 1,437.95 = 265.34 : x
  2. Step 2: Convert to fraction form
    958.62/1,437.95 = 265.34/x
  3. Step 3: Cross multiply
    958.62x = 1,437.95 × 265.34
  4. Step 4: Simplify right side
    958.62x = 381,537.14
  5. Step 5: Solve for x
    x = 381,537.14/958.62
  6. Step 6: Final answer
    x = 398.01

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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.