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Finding the Fourth Proportional to 481,470.62, 664,429.30 and 266,610.62

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Solution

The fourth proportional to 481,470.62, 664,429.30 and 266,610.62 is: 367,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,470.62 : 664,429.30 = 266,610.62 : x
  2. Step 2: Convert to fraction form
    481,470.62/664,429.30 = 266,610.62/x
  3. Step 3: Cross multiply
    481,470.62x = 664,429.30 × 266,610.62
  4. Step 4: Simplify right side
    481,470.62x = 177,143,908,613.71
  5. Step 5: Solve for x
    x = 177,143,908,613.71/481,470.62
  6. Step 6: Final answer
    x = 367,922.58

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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.