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Finding the Fourth Proportional to 467,013.70, 644,393.28 and 263,020.93

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Solution

The fourth proportional to 467,013.70, 644,393.28 and 263,020.93 is: 362,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,013.70 : 644,393.28 = 263,020.93 : x
  2. Step 2: Convert to fraction form
    467,013.70/644,393.28 = 263,020.93/x
  3. Step 3: Cross multiply
    467,013.70x = 644,393.28 × 263,020.93
  4. Step 4: Simplify right side
    467,013.70x = 169,488,919,791.35
  5. Step 5: Solve for x
    x = 169,488,919,791.35/467,013.70
  6. Step 6: Final answer
    x = 362,920.66

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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.