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Finding the Fourth Proportional to 547,544.92, 755,604.03 and 305,830.93

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Solution

The fourth proportional to 547,544.92, 755,604.03 and 305,830.93 is: 422,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,544.92 : 755,604.03 = 305,830.93 : x
  2. Step 2: Convert to fraction form
    547,544.92/755,604.03 = 305,830.93/x
  3. Step 3: Cross multiply
    547,544.92x = 755,604.03 × 305,830.93
  4. Step 4: Simplify right side
    547,544.92x = 231,087,083,206.65
  5. Step 5: Solve for x
    x = 231,087,083,206.65/547,544.92
  6. Step 6: Final answer
    x = 422,042.24

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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.