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Finding the Fourth Proportional to 937.41, 1,406.72 and 360.28

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Solution

The fourth proportional to 937.41, 1,406.72 and 360.28 is: 540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.41 : 1,406.72 = 360.28 : x
  2. Step 2: Convert to fraction form
    937.41/1,406.72 = 360.28/x
  3. Step 3: Cross multiply
    937.41x = 1,406.72 × 360.28
  4. Step 4: Simplify right side
    937.41x = 506,815.74
  5. Step 5: Solve for x
    x = 506,815.74/937.41
  6. Step 6: Final answer
    x = 540.66

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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.