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Finding the Fourth Proportional to 944.06, 1,416 and 327.74

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Solution

The fourth proportional to 944.06, 1,416 and 327.74 is: 491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.06 : 1,416 = 327.74 : x
  2. Step 2: Convert to fraction form
    944.06/1,416 = 327.74/x
  3. Step 3: Cross multiply
    944.06x = 1,416 × 327.74
  4. Step 4: Simplify right side
    944.06x = 464,079.84
  5. Step 5: Solve for x
    x = 464,079.84/944.06
  6. Step 6: Final answer
    x = 491.58

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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.