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Finding the Fourth Proportional to 451,684.76, 677,789.51 and 202,366.76

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Solution

The fourth proportional to 451,684.76, 677,789.51 and 202,366.76 is: 303,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,684.76 : 677,789.51 = 202,366.76 : x
  2. Step 2: Convert to fraction form
    451,684.76/677,789.51 = 202,366.76/x
  3. Step 3: Cross multiply
    451,684.76x = 677,789.51 × 202,366.76
  4. Step 4: Simplify right side
    451,684.76x = 137,162,062,699.91
  5. Step 5: Solve for x
    x = 137,162,062,699.91/451,684.76
  6. Step 6: Final answer
    x = 303,667.68

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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.