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Finding the Fourth Proportional to 481,452.41, 664,399.56 and 260,688.66

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Solution

The fourth proportional to 481,452.41, 664,399.56 and 260,688.66 is: 359,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,452.41 : 664,399.56 = 260,688.66 : x
  2. Step 2: Convert to fraction form
    481,452.41/664,399.56 = 260,688.66/x
  3. Step 3: Cross multiply
    481,452.41x = 664,399.56 × 260,688.66
  4. Step 4: Simplify right side
    481,452.41x = 173,201,428,036.55
  5. Step 5: Solve for x
    x = 173,201,428,036.55/481,452.41
  6. Step 6: Final answer
    x = 359,747.76

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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.