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Finding the Fourth Proportional to 442,183.59, 663,275.39 and 109,759.59

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Solution

The fourth proportional to 442,183.59, 663,275.39 and 109,759.59 is: 164,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,183.59 : 663,275.39 = 109,759.59 : x
  2. Step 2: Convert to fraction form
    442,183.59/663,275.39 = 109,759.59/x
  3. Step 3: Cross multiply
    442,183.59x = 663,275.39 × 109,759.59
  4. Step 4: Simplify right side
    442,183.59x = 72,800,834,314.69
  5. Step 5: Solve for x
    x = 72,800,834,314.69/442,183.59
  6. Step 6: Final answer
    x = 164,639.39

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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.