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Finding the Fourth Proportional to 519,796.07, 779,693.61 and 195,644.70

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Solution

The fourth proportional to 519,796.07, 779,693.61 and 195,644.70 is: 293,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,796.07 : 779,693.61 = 195,644.70 : x
  2. Step 2: Convert to fraction form
    519,796.07/779,693.61 = 195,644.70/x
  3. Step 3: Cross multiply
    519,796.07x = 779,693.61 × 195,644.70
  4. Step 4: Simplify right side
    519,796.07x = 152,542,922,420.37
  5. Step 5: Solve for x
    x = 152,542,922,420.37/519,796.07
  6. Step 6: Final answer
    x = 293,466.86

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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.