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Finding the Fourth Proportional to 550,624.40, 825,608.54 and 190,677

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Solution

The fourth proportional to 550,624.40, 825,608.54 and 190,677 is: 285,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,624.40 : 825,608.54 = 190,677 : x
  2. Step 2: Convert to fraction form
    550,624.40/825,608.54 = 190,677/x
  3. Step 3: Cross multiply
    550,624.40x = 825,608.54 × 190,677
  4. Step 4: Simplify right side
    550,624.40x = 157,424,560,058.27
  5. Step 5: Solve for x
    x = 157,424,560,058.27/550,624.40
  6. Step 6: Final answer
    x = 285,901.90

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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.