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Finding the Fourth Proportional to 481,310.84, 664,200.62 and 266,446.20

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Solution

The fourth proportional to 481,310.84, 664,200.62 and 266,446.20 is: 367,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,310.84 : 664,200.62 = 266,446.20 : x
  2. Step 2: Convert to fraction form
    481,310.84/664,200.62 = 266,446.20/x
  3. Step 3: Cross multiply
    481,310.84x = 664,200.62 × 266,446.20
  4. Step 4: Simplify right side
    481,310.84x = 176,973,731,236.64
  5. Step 5: Solve for x
    x = 176,973,731,236.64/481,310.84
  6. Step 6: Final answer
    x = 367,691.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.