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Finding the Fourth Proportional to 550,425.48, 825,488.37 and 150,971.19

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Solution

The fourth proportional to 550,425.48, 825,488.37 and 150,971.19 is: 226,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,425.48 : 825,488.37 = 150,971.19 : x
  2. Step 2: Convert to fraction form
    550,425.48/825,488.37 = 150,971.19/x
  3. Step 3: Cross multiply
    550,425.48x = 825,488.37 × 150,971.19
  4. Step 4: Simplify right side
    550,425.48x = 124,624,961,550.06
  5. Step 5: Solve for x
    x = 124,624,961,550.06/550,425.48
  6. Step 6: Final answer
    x = 226,415.68

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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.