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Finding the Fourth Proportional to 491,134.64, 736,701.96 and 324,883.76

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Solution

The fourth proportional to 491,134.64, 736,701.96 and 324,883.76 is: 487,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,134.64 : 736,701.96 = 324,883.76 : x
  2. Step 2: Convert to fraction form
    491,134.64/736,701.96 = 324,883.76/x
  3. Step 3: Cross multiply
    491,134.64x = 736,701.96 × 324,883.76
  4. Step 4: Simplify right side
    491,134.64x = 239,342,502,764.17
  5. Step 5: Solve for x
    x = 239,342,502,764.17/491,134.64
  6. Step 6: Final answer
    x = 487,325.64

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Similar ratio
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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.