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Finding the Fourth Proportional to 548,818.47, 823,472.10 and 349,087.05

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Solution

The fourth proportional to 548,818.47, 823,472.10 and 349,087.05 is: 523,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,818.47 : 823,472.10 = 349,087.05 : x
  2. Step 2: Convert to fraction form
    548,818.47/823,472.10 = 349,087.05/x
  3. Step 3: Cross multiply
    548,818.47x = 823,472.10 × 349,087.05
  4. Step 4: Simplify right side
    548,818.47x = 287,463,446,146.31
  5. Step 5: Solve for x
    x = 287,463,446,146.31/548,818.47
  6. Step 6: Final answer
    x = 523,786.03

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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.