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Finding the Fourth Proportional to 507,893.44, 761,891.20 and 188,131.36

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Solution

The fourth proportional to 507,893.44, 761,891.20 and 188,131.36 is: 282,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,893.44 : 761,891.20 = 188,131.36 : x
  2. Step 2: Convert to fraction form
    507,893.44/761,891.20 = 188,131.36/x
  3. Step 3: Cross multiply
    507,893.44x = 761,891.20 × 188,131.36
  4. Step 4: Simplify right side
    507,893.44x = 143,335,627,628.03
  5. Step 5: Solve for x
    x = 143,335,627,628.03/507,893.44
  6. Step 6: Final answer
    x = 282,215.95

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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.