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Finding the Fourth Proportional to 547,199.44, 755,103.80 and 305,497.32

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Solution

The fourth proportional to 547,199.44, 755,103.80 and 305,497.32 is: 421,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,199.44 : 755,103.80 = 305,497.32 : x
  2. Step 2: Convert to fraction form
    547,199.44/755,103.80 = 305,497.32/x
  3. Step 3: Cross multiply
    547,199.44x = 755,103.80 × 305,497.32
  4. Step 4: Simplify right side
    547,199.44x = 230,682,187,221.82
  5. Step 5: Solve for x
    x = 230,682,187,221.82/547,199.44
  6. Step 6: Final answer
    x = 421,568.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.