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Finding the Fourth Proportional to 937.41, 1,404.20 and 474.54

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Solution

The fourth proportional to 937.41, 1,404.20 and 474.54 is: 710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.41 : 1,404.20 = 474.54 : x
  2. Step 2: Convert to fraction form
    937.41/1,404.20 = 474.54/x
  3. Step 3: Cross multiply
    937.41x = 1,404.20 × 474.54
  4. Step 4: Simplify right side
    937.41x = 666,346.70
  5. Step 5: Solve for x
    x = 666,346.70/937.41
  6. Step 6: Final answer
    x = 710.84

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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.