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Finding the Fourth Proportional to 330,528.77, 495,793.32 and 218,182.73

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Solution

The fourth proportional to 330,528.77, 495,793.32 and 218,182.73 is: 327,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,528.77 : 495,793.32 = 218,182.73 : x
  2. Step 2: Convert to fraction form
    330,528.77/495,793.32 = 218,182.73/x
  3. Step 3: Cross multiply
    330,528.77x = 495,793.32 × 218,182.73
  4. Step 4: Simplify right side
    330,528.77x = 108,173,541,312.85
  5. Step 5: Solve for x
    x = 108,173,541,312.85/330,528.77
  6. Step 6: Final answer
    x = 327,274.21

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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.