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Finding the Fourth Proportional to 958.32, 1,437.30 and 264.84

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Solution

The fourth proportional to 958.32, 1,437.30 and 264.84 is: 397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.32 : 1,437.30 = 264.84 : x
  2. Step 2: Convert to fraction form
    958.32/1,437.30 = 264.84/x
  3. Step 3: Cross multiply
    958.32x = 1,437.30 × 264.84
  4. Step 4: Simplify right side
    958.32x = 380,654.53
  5. Step 5: Solve for x
    x = 380,654.53/958.32
  6. Step 6: Final answer
    x = 397.21

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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.