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Finding the Fourth Proportional to 548,768.76, 822,590.27 and 211,676.88

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Solution

The fourth proportional to 548,768.76, 822,590.27 and 211,676.88 is: 317,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,768.76 : 822,590.27 = 211,676.88 : x
  2. Step 2: Convert to fraction form
    548,768.76/822,590.27 = 211,676.88/x
  3. Step 3: Cross multiply
    548,768.76x = 822,590.27 × 211,676.88
  4. Step 4: Simplify right side
    548,768.76x = 174,123,344,428.32
  5. Step 5: Solve for x
    x = 174,123,344,428.32/548,768.76
  6. Step 6: Final answer
    x = 317,298.21

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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.