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Finding the Fourth Proportional to 548,661.62, 822,909.26 and 149,333.50

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Solution

The fourth proportional to 548,661.62, 822,909.26 and 149,333.50 is: 223,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,661.62 : 822,909.26 = 149,333.50 : x
  2. Step 2: Convert to fraction form
    548,661.62/822,909.26 = 149,333.50/x
  3. Step 3: Cross multiply
    548,661.62x = 822,909.26 × 149,333.50
  4. Step 4: Simplify right side
    548,661.62x = 122,887,919,978.21
  5. Step 5: Solve for x
    x = 122,887,919,978.21/548,661.62
  6. Step 6: Final answer
    x = 223,977.61

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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.