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Finding the Fourth Proportional to 550,744.98, 825,967.26 and 151,290.78

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Solution

The fourth proportional to 550,744.98, 825,967.26 and 151,290.78 is: 226,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,744.98 : 825,967.26 = 151,290.78 : x
  2. Step 2: Convert to fraction form
    550,744.98/825,967.26 = 151,290.78/x
  3. Step 3: Cross multiply
    550,744.98x = 825,967.26 × 151,290.78
  4. Step 4: Simplify right side
    550,744.98x = 124,961,231,019.86
  5. Step 5: Solve for x
    x = 124,961,231,019.86/550,744.98
  6. Step 6: Final answer
    x = 226,894.91

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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.