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Finding the Fourth Proportional to 481,765.17, 664,809.74 and 266,892.42

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Solution

The fourth proportional to 481,765.17, 664,809.74 and 266,892.42 is: 368,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,765.17 : 664,809.74 = 266,892.42 : x
  2. Step 2: Convert to fraction form
    481,765.17/664,809.74 = 266,892.42/x
  3. Step 3: Cross multiply
    481,765.17x = 664,809.74 × 266,892.42
  4. Step 4: Simplify right side
    481,765.17x = 177,432,679,013.71
  5. Step 5: Solve for x
    x = 177,432,679,013.71/481,765.17
  6. Step 6: Final answer
    x = 368,297.03

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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.