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Finding the Fourth Proportional to 467,086.68, 644,576.54 and 263,203.20

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Solution

The fourth proportional to 467,086.68, 644,576.54 and 263,203.20 is: 363,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,086.68 : 644,576.54 = 263,203.20 : x
  2. Step 2: Convert to fraction form
    467,086.68/644,576.54 = 263,203.20/x
  3. Step 3: Cross multiply
    467,086.68x = 644,576.54 × 263,203.20
  4. Step 4: Simplify right side
    467,086.68x = 169,654,606,656.91
  5. Step 5: Solve for x
    x = 169,654,606,656.91/467,086.68
  6. Step 6: Final answer
    x = 363,218.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.