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Finding the Fourth Proportional to 519,335.48, 779,003.22 and 125,351.48

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Solution

The fourth proportional to 519,335.48, 779,003.22 and 125,351.48 is: 188,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,335.48 : 779,003.22 = 125,351.48 : x
  2. Step 2: Convert to fraction form
    519,335.48/779,003.22 = 125,351.48/x
  3. Step 3: Cross multiply
    519,335.48x = 779,003.22 × 125,351.48
  4. Step 4: Simplify right side
    519,335.48x = 97,649,206,551.77
  5. Step 5: Solve for x
    x = 97,649,206,551.77/519,335.48
  6. Step 6: Final answer
    x = 188,027.22

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Similar ratio
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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.