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Finding the Fourth Proportional to 328,542.66, 493,267.82 and 227,090.79

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Solution

The fourth proportional to 328,542.66, 493,267.82 and 227,090.79 is: 340,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,542.66 : 493,267.82 = 227,090.79 : x
  2. Step 2: Convert to fraction form
    328,542.66/493,267.82 = 227,090.79/x
  3. Step 3: Cross multiply
    328,542.66x = 493,267.82 × 227,090.79
  4. Step 4: Simplify right side
    328,542.66x = 112,016,577,789.92
  5. Step 5: Solve for x
    x = 112,016,577,789.92/328,542.66
  6. Step 6: Final answer
    x = 340,949.87

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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.