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Finding the Fourth Proportional to 519,887.35, 779,831.03 and 145,910.35

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Solution

The fourth proportional to 519,887.35, 779,831.03 and 145,910.35 is: 218,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,887.35 : 779,831.03 = 145,910.35 : x
  2. Step 2: Convert to fraction form
    519,887.35/779,831.03 = 145,910.35/x
  3. Step 3: Cross multiply
    519,887.35x = 779,831.03 × 145,910.35
  4. Step 4: Simplify right side
    519,887.35x = 113,785,418,528.16
  5. Step 5: Solve for x
    x = 113,785,418,528.16/519,887.35
  6. Step 6: Final answer
    x = 218,865.53

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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.