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Finding the Fourth Proportional to 550,019.69, 825,030.19 and 150,663.90

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Solution

The fourth proportional to 550,019.69, 825,030.19 and 150,663.90 is: 225,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,019.69 : 825,030.19 = 150,663.90 : x
  2. Step 2: Convert to fraction form
    550,019.69/825,030.19 = 150,663.90/x
  3. Step 3: Cross multiply
    550,019.69x = 825,030.19 × 150,663.90
  4. Step 4: Simplify right side
    550,019.69x = 124,302,265,289.82
  5. Step 5: Solve for x
    x = 124,302,265,289.82/550,019.69
  6. Step 6: Final answer
    x = 225,996.03

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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.