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Finding the Fourth Proportional to 548,355.79, 822,332.22 and 188,424.57

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Solution

The fourth proportional to 548,355.79, 822,332.22 and 188,424.57 is: 282,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,355.79 : 822,332.22 = 188,424.57 : x
  2. Step 2: Convert to fraction form
    548,355.79/822,332.22 = 188,424.57/x
  3. Step 3: Cross multiply
    548,355.79x = 822,332.22 × 188,424.57
  4. Step 4: Simplify right side
    548,355.79x = 154,947,597,147.05
  5. Step 5: Solve for x
    x = 154,947,597,147.05/548,355.79
  6. Step 6: Final answer
    x = 282,567.63

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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.