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Finding the Fourth Proportional to 548,063.52, 822,091.68 and 281,898.24

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Solution

The fourth proportional to 548,063.52, 822,091.68 and 281,898.24 is: 422,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,063.52 : 822,091.68 = 281,898.24 : x
  2. Step 2: Convert to fraction form
    548,063.52/822,091.68 = 281,898.24/x
  3. Step 3: Cross multiply
    548,063.52x = 822,091.68 × 281,898.24
  4. Step 4: Simplify right side
    548,063.52x = 231,746,197,710.64
  5. Step 5: Solve for x
    x = 231,746,197,710.64/548,063.52
  6. Step 6: Final answer
    x = 422,845.51

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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.