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Finding the Fourth Proportional to 547,183.92, 755,126.60 and 343,243.52

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Solution

The fourth proportional to 547,183.92, 755,126.60 and 343,243.52 is: 473,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,183.92 : 755,126.60 = 343,243.52 : x
  2. Step 2: Convert to fraction form
    547,183.92/755,126.60 = 343,243.52/x
  3. Step 3: Cross multiply
    547,183.92x = 755,126.60 × 343,243.52
  4. Step 4: Simplify right side
    547,183.92x = 259,192,312,229.63
  5. Step 5: Solve for x
    x = 259,192,312,229.63/547,183.92
  6. Step 6: Final answer
    x = 473,684.08

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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.