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Finding the Fourth Proportional to 550,035.51, 825,053.96 and 150,679.77

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Solution

The fourth proportional to 550,035.51, 825,053.96 and 150,679.77 is: 226,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,035.51 : 825,053.96 = 150,679.77 : x
  2. Step 2: Convert to fraction form
    550,035.51/825,053.96 = 150,679.77/x
  3. Step 3: Cross multiply
    550,035.51x = 825,053.96 × 150,679.77
  4. Step 4: Simplify right side
    550,035.51x = 124,318,940,930.39
  5. Step 5: Solve for x
    x = 124,318,940,930.39/550,035.51
  6. Step 6: Final answer
    x = 226,019.85

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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.