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Finding the Fourth Proportional to 550,019.25, 825,029.53 and 150,663.46

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Solution

The fourth proportional to 550,019.25, 825,029.53 and 150,663.46 is: 225,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,019.25 : 825,029.53 = 150,663.46 : x
  2. Step 2: Convert to fraction form
    550,019.25/825,029.53 = 150,663.46/x
  3. Step 3: Cross multiply
    550,019.25x = 825,029.53 × 150,663.46
  4. Step 4: Simplify right side
    550,019.25x = 124,301,804,246.60
  5. Step 5: Solve for x
    x = 124,301,804,246.60/550,019.25
  6. Step 6: Final answer
    x = 225,995.37

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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.