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Finding the Fourth Proportional to 550,433.08, 825,650.34 and 151,079.32

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Solution

The fourth proportional to 550,433.08, 825,650.34 and 151,079.32 is: 226,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,433.08 : 825,650.34 = 151,079.32 : x
  2. Step 2: Convert to fraction form
    550,433.08/825,650.34 = 151,079.32/x
  3. Step 3: Cross multiply
    550,433.08x = 825,650.34 × 151,079.32
  4. Step 4: Simplify right side
    550,433.08x = 124,738,691,924.97
  5. Step 5: Solve for x
    x = 124,738,691,924.97/550,433.08
  6. Step 6: Final answer
    x = 226,619.18

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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.