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Finding the Fourth Proportional to 491,104.64, 736,656.96 and 324,853.76

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Solution

The fourth proportional to 491,104.64, 736,656.96 and 324,853.76 is: 487,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,104.64 : 736,656.96 = 324,853.76 : x
  2. Step 2: Convert to fraction form
    491,104.64/736,656.96 = 324,853.76/x
  3. Step 3: Cross multiply
    491,104.64x = 736,656.96 × 324,853.76
  4. Step 4: Simplify right side
    491,104.64x = 239,305,783,286.17
  5. Step 5: Solve for x
    x = 239,305,783,286.17/491,104.64
  6. Step 6: Final answer
    x = 487,280.64

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Similar ratio
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1.5x scale

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.