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Finding the Fourth Proportional to 344,452.32, 515,930.81 and 166,586.36

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Solution

The fourth proportional to 344,452.32, 515,930.81 and 166,586.36 is: 249,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,452.32 : 515,930.81 = 166,586.36 : x
  2. Step 2: Convert to fraction form
    344,452.32/515,930.81 = 166,586.36/x
  3. Step 3: Cross multiply
    344,452.32x = 515,930.81 × 166,586.36
  4. Step 4: Simplify right side
    344,452.32x = 85,947,032,237.17
  5. Step 5: Solve for x
    x = 85,947,032,237.17/344,452.32
  6. Step 6: Final answer
    x = 249,517.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.