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Finding the Fourth Proportional to 937.55, 1,406.69 and 567.36

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Solution

The fourth proportional to 937.55, 1,406.69 and 567.36 is: 851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.55 : 1,406.69 = 567.36 : x
  2. Step 2: Convert to fraction form
    937.55/1,406.69 = 567.36/x
  3. Step 3: Cross multiply
    937.55x = 1,406.69 × 567.36
  4. Step 4: Simplify right side
    937.55x = 798,096.80
  5. Step 5: Solve for x
    x = 798,096.80/937.55
  6. Step 6: Final answer
    x = 851.26

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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.