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Finding the Fourth Proportional to 937.33, 1,404.86 and 705.48

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Solution

The fourth proportional to 937.33, 1,404.86 and 705.48 is: 1,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.33 : 1,404.86 = 705.48 : x
  2. Step 2: Convert to fraction form
    937.33/1,404.86 = 705.48/x
  3. Step 3: Cross multiply
    937.33x = 1,404.86 × 705.48
  4. Step 4: Simplify right side
    937.33x = 991,100.26
  5. Step 5: Solve for x
    x = 991,100.26/937.33
  6. Step 6: Final answer
    x = 1,057.36

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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.