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Finding the Fourth Proportional to 958.91, 1,437.53 and 567.95

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Solution

The fourth proportional to 958.91, 1,437.53 and 567.95 is: 851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.91 : 1,437.53 = 567.95 : x
  2. Step 2: Convert to fraction form
    958.91/1,437.53 = 567.95/x
  3. Step 3: Cross multiply
    958.91x = 1,437.53 × 567.95
  4. Step 4: Simplify right side
    958.91x = 816,445.92
  5. Step 5: Solve for x
    x = 816,445.92/958.91
  6. Step 6: Final answer
    x = 851.43

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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.