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Finding the Fourth Proportional to 538,756.69, 808,660.94 and 444,942.59

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Solution

The fourth proportional to 538,756.69, 808,660.94 and 444,942.59 is: 667,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,756.69 : 808,660.94 = 444,942.59 : x
  2. Step 2: Convert to fraction form
    538,756.69/808,660.94 = 444,942.59/x
  3. Step 3: Cross multiply
    538,756.69x = 808,660.94 × 444,942.59
  4. Step 4: Simplify right side
    538,756.69x = 359,807,692,872.37
  5. Step 5: Solve for x
    x = 359,807,692,872.37/538,756.69
  6. Step 6: Final answer
    x = 667,848.21

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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.