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Finding the Fourth Proportional to 481,355.52, 664,275.84 and 266,499.12

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Solution

The fourth proportional to 481,355.52, 664,275.84 and 266,499.12 is: 367,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,355.52 : 664,275.84 = 266,499.12 : x
  2. Step 2: Convert to fraction form
    481,355.52/664,275.84 = 266,499.12/x
  3. Step 3: Cross multiply
    481,355.52x = 664,275.84 × 266,499.12
  4. Step 4: Simplify right side
    481,355.52x = 177,028,926,797.26
  5. Step 5: Solve for x
    x = 177,028,926,797.26/481,355.52
  6. Step 6: Final answer
    x = 367,771.68

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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.