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Finding the Fourth Proportional to 548,370.52, 822,960 and 260,183.36

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Solution

The fourth proportional to 548,370.52, 822,960 and 260,183.36 is: 390,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,370.52 : 822,960 = 260,183.36 : x
  2. Step 2: Convert to fraction form
    548,370.52/822,960 = 260,183.36/x
  3. Step 3: Cross multiply
    548,370.52x = 822,960 × 260,183.36
  4. Step 4: Simplify right side
    548,370.52x = 214,120,497,945.60
  5. Step 5: Solve for x
    x = 214,120,497,945.60/548,370.52
  6. Step 6: Final answer
    x = 390,466.83

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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.