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Finding the Fourth Proportional to 944.13, 1,416.02 and 327.86

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Solution

The fourth proportional to 944.13, 1,416.02 and 327.86 is: 491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.13 : 1,416.02 = 327.86 : x
  2. Step 2: Convert to fraction form
    944.13/1,416.02 = 327.86/x
  3. Step 3: Cross multiply
    944.13x = 1,416.02 × 327.86
  4. Step 4: Simplify right side
    944.13x = 464,247.60
  5. Step 5: Solve for x
    x = 464,247.60/944.13
  6. Step 6: Final answer
    x = 491.72

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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.