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Finding the Fourth Proportional to 379,977.49, 570,123.15 and 166,634.95

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Solution

The fourth proportional to 379,977.49, 570,123.15 and 166,634.95 is: 250,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,977.49 : 570,123.15 = 166,634.95 : x
  2. Step 2: Convert to fraction form
    379,977.49/570,123.15 = 166,634.95/x
  3. Step 3: Cross multiply
    379,977.49x = 570,123.15 × 166,634.95
  4. Step 4: Simplify right side
    379,977.49x = 95,002,442,594.09
  5. Step 5: Solve for x
    x = 95,002,442,594.09/379,977.49
  6. Step 6: Final answer
    x = 250,021.24

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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.