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Finding the Fourth Proportional to 330,528.58, 495,793.04 and 218,182.54

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Solution

The fourth proportional to 330,528.58, 495,793.04 and 218,182.54 is: 327,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,528.58 : 495,793.04 = 218,182.54 : x
  2. Step 2: Convert to fraction form
    330,528.58/495,793.04 = 218,182.54/x
  3. Step 3: Cross multiply
    330,528.58x = 495,793.04 × 218,182.54
  4. Step 4: Simplify right side
    330,528.58x = 108,173,386,058.15
  5. Step 5: Solve for x
    x = 108,173,386,058.15/330,528.58
  6. Step 6: Final answer
    x = 327,273.92

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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.