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Finding the Fourth Proportional to 481,449.85, 664,392.69 and 266,585.29

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Solution

The fourth proportional to 481,449.85, 664,392.69 and 266,585.29 is: 367,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,449.85 : 664,392.69 = 266,585.29 : x
  2. Step 2: Convert to fraction form
    481,449.85/664,392.69 = 266,585.29/x
  3. Step 3: Cross multiply
    481,449.85x = 664,392.69 × 266,585.29
  4. Step 4: Simplify right side
    481,449.85x = 177,117,317,937.53
  5. Step 5: Solve for x
    x = 177,117,317,937.53/481,449.85
  6. Step 6: Final answer
    x = 367,883.21

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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.