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Finding the Fourth Proportional to 330,530.52, 495,795.95 and 218,184.48

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Solution

The fourth proportional to 330,530.52, 495,795.95 and 218,184.48 is: 327,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.52 : 495,795.95 = 218,184.48 : x
  2. Step 2: Convert to fraction form
    330,530.52/495,795.95 = 218,184.48/x
  3. Step 3: Cross multiply
    330,530.52x = 495,795.95 × 218,184.48
  4. Step 4: Simplify right side
    330,530.52x = 108,174,981,536.86
  5. Step 5: Solve for x
    x = 108,174,981,536.86/330,530.52
  6. Step 6: Final answer
    x = 327,276.83

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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.