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Finding the Fourth Proportional to 550,019.75, 825,030.28 and 150,663.96

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Solution

The fourth proportional to 550,019.75, 825,030.28 and 150,663.96 is: 225,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,019.75 : 825,030.28 = 150,663.96 : x
  2. Step 2: Convert to fraction form
    550,019.75/825,030.28 = 150,663.96/x
  3. Step 3: Cross multiply
    550,019.75x = 825,030.28 × 150,663.96
  4. Step 4: Simplify right side
    550,019.75x = 124,302,329,104.71
  5. Step 5: Solve for x
    x = 124,302,329,104.71/550,019.75
  6. Step 6: Final answer
    x = 225,996.12

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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.