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Finding the Fourth Proportional to 330,801.34, 495,977.46 and 168,296

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Solution

The fourth proportional to 330,801.34, 495,977.46 and 168,296 is: 252,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,801.34 : 495,977.46 = 168,296 : x
  2. Step 2: Convert to fraction form
    330,801.34/495,977.46 = 168,296/x
  3. Step 3: Cross multiply
    330,801.34x = 495,977.46 × 168,296
  4. Step 4: Simplify right side
    330,801.34x = 83,471,022,608.16
  5. Step 5: Solve for x
    x = 83,471,022,608.16/330,801.34
  6. Step 6: Final answer
    x = 252,329.76

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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.