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Finding the Fourth Proportional to 547,583.22, 755,590.14 and 305,834.94

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Solution

The fourth proportional to 547,583.22, 755,590.14 and 305,834.94 is: 422,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,583.22 : 755,590.14 = 305,834.94 : x
  2. Step 2: Convert to fraction form
    547,583.22/755,590.14 = 305,834.94/x
  3. Step 3: Cross multiply
    547,583.22x = 755,590.14 × 305,834.94
  4. Step 4: Simplify right side
    547,583.22x = 231,085,865,131.49
  5. Step 5: Solve for x
    x = 231,085,865,131.49/547,583.22
  6. Step 6: Final answer
    x = 422,010.49

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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.