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Finding the Fourth Proportional to 548,500.70, 822,751.05 and 499,511.90

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Solution

The fourth proportional to 548,500.70, 822,751.05 and 499,511.90 is: 749,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,500.70 : 822,751.05 = 499,511.90 : x
  2. Step 2: Convert to fraction form
    548,500.70/822,751.05 = 499,511.90/x
  3. Step 3: Cross multiply
    548,500.70x = 822,751.05 × 499,511.90
  4. Step 4: Simplify right side
    548,500.70x = 410,973,940,212.50
  5. Step 5: Solve for x
    x = 410,973,940,212.50/548,500.70
  6. Step 6: Final answer
    x = 749,267.85

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Similar ratio
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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.