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Finding the Fourth Proportional to 519,722.20, 779,583.24 and 195,571.24

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Solution

The fourth proportional to 519,722.20, 779,583.24 and 195,571.24 is: 293,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,722.20 : 779,583.24 = 195,571.24 : x
  2. Step 2: Convert to fraction form
    519,722.20/779,583.24 = 195,571.24/x
  3. Step 3: Cross multiply
    519,722.20x = 779,583.24 × 195,571.24
  4. Step 4: Simplify right side
    519,722.20x = 152,464,060,930.02
  5. Step 5: Solve for x
    x = 152,464,060,930.02/519,722.20
  6. Step 6: Final answer
    x = 293,356.84

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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.