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Finding the Fourth Proportional to 629,924.77, 945,278.97 and 255,947.77

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Solution

The fourth proportional to 629,924.77, 945,278.97 and 255,947.77 is: 384,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,924.77 : 945,278.97 = 255,947.77 : x
  2. Step 2: Convert to fraction form
    629,924.77/945,278.97 = 255,947.77/x
  3. Step 3: Cross multiply
    629,924.77x = 945,278.97 × 255,947.77
  4. Step 4: Simplify right side
    629,924.77x = 241,942,044,399.40
  5. Step 5: Solve for x
    x = 241,942,044,399.40/629,924.77
  6. Step 6: Final answer
    x = 384,080.86

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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.