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Finding the Fourth Proportional to 330,425.73, 495,578.86 and 150,469.35

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Solution

The fourth proportional to 330,425.73, 495,578.86 and 150,469.35 is: 225,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,425.73 : 495,578.86 = 150,469.35 : x
  2. Step 2: Convert to fraction form
    330,425.73/495,578.86 = 150,469.35/x
  3. Step 3: Cross multiply
    330,425.73x = 495,578.86 × 150,469.35
  4. Step 4: Simplify right side
    330,425.73x = 74,569,426,703.35
  5. Step 5: Solve for x
    x = 74,569,426,703.35/330,425.73
  6. Step 6: Final answer
    x = 225,676.82

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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.