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Finding the Fourth Proportional to 538,327.11, 807,596.82 and 154,079.58

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Solution

The fourth proportional to 538,327.11, 807,596.82 and 154,079.58 is: 231,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,327.11 : 807,596.82 = 154,079.58 : x
  2. Step 2: Convert to fraction form
    538,327.11/807,596.82 = 154,079.58/x
  3. Step 3: Cross multiply
    538,327.11x = 807,596.82 × 154,079.58
  4. Step 4: Simplify right side
    538,327.11x = 124,434,178,834.94
  5. Step 5: Solve for x
    x = 124,434,178,834.94/538,327.11
  6. Step 6: Final answer
    x = 231,149.75

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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.