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Finding the Fourth Proportional to 548,493.39, 756,616.24 and 319,024.85

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Solution

The fourth proportional to 548,493.39, 756,616.24 and 319,024.85 is: 440,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,493.39 : 756,616.24 = 319,024.85 : x
  2. Step 2: Convert to fraction form
    548,493.39/756,616.24 = 319,024.85/x
  3. Step 3: Cross multiply
    548,493.39x = 756,616.24 × 319,024.85
  4. Step 4: Simplify right side
    548,493.39x = 241,379,379,089.26
  5. Step 5: Solve for x
    x = 241,379,379,089.26/548,493.39
  6. Step 6: Final answer
    x = 440,077.10

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