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Finding the Fourth Proportional to 937.41, 1,406.99 and 475.52

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Solution

The fourth proportional to 937.41, 1,406.99 and 475.52 is: 713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.41 : 1,406.99 = 475.52 : x
  2. Step 2: Convert to fraction form
    937.41/1,406.99 = 475.52/x
  3. Step 3: Cross multiply
    937.41x = 1,406.99 × 475.52
  4. Step 4: Simplify right side
    937.41x = 669,051.88
  5. Step 5: Solve for x
    x = 669,051.88/937.41
  6. Step 6: Final answer
    x = 713.72

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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.