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Finding the Fourth Proportional to 937.35, 1,405.10 and 608.24

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Solution

The fourth proportional to 937.35, 1,405.10 and 608.24 is: 911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.35 : 1,405.10 = 608.24 : x
  2. Step 2: Convert to fraction form
    937.35/1,405.10 = 608.24/x
  3. Step 3: Cross multiply
    937.35x = 1,405.10 × 608.24
  4. Step 4: Simplify right side
    937.35x = 854,627.96
  5. Step 5: Solve for x
    x = 854,627.96/937.35
  6. Step 6: Final answer
    x = 911.75

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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.