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Finding the Fourth Proportional to 330,202.80, 495,137.88 and 161,735.76

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Solution

The fourth proportional to 330,202.80, 495,137.88 and 161,735.76 is: 242,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,202.80 : 495,137.88 = 161,735.76 : x
  2. Step 2: Convert to fraction form
    330,202.80/495,137.88 = 161,735.76/x
  3. Step 3: Cross multiply
    330,202.80x = 495,137.88 × 161,735.76
  4. Step 4: Simplify right side
    330,202.80x = 80,081,501,326.59
  5. Step 5: Solve for x
    x = 80,081,501,326.59/330,202.80
  6. Step 6: Final answer
    x = 242,522.18

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1.5x scale

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.