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Finding the Fourth Proportional to 538,502.20, 807,791.70 and 164,524.60

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Solution

The fourth proportional to 538,502.20, 807,791.70 and 164,524.60 is: 246,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,502.20 : 807,791.70 = 164,524.60 : x
  2. Step 2: Convert to fraction form
    538,502.20/807,791.70 = 164,524.60/x
  3. Step 3: Cross multiply
    538,502.20x = 807,791.70 × 164,524.60
  4. Step 4: Simplify right side
    538,502.20x = 132,901,606,325.82
  5. Step 5: Solve for x
    x = 132,901,606,325.82/538,502.20
  6. Step 6: Final answer
    x = 246,798.63

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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.