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Finding the Fourth Proportional to 451,857.74, 677,787.48 and 136,314.96

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Solution

The fourth proportional to 451,857.74, 677,787.48 and 136,314.96 is: 204,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,857.74 : 677,787.48 = 136,314.96 : x
  2. Step 2: Convert to fraction form
    451,857.74/677,787.48 = 136,314.96/x
  3. Step 3: Cross multiply
    451,857.74x = 677,787.48 × 136,314.96
  4. Step 4: Simplify right side
    451,857.74x = 92,392,573,224.70
  5. Step 5: Solve for x
    x = 92,392,573,224.70/451,857.74
  6. Step 6: Final answer
    x = 204,472.70

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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.