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Finding the Fourth Proportional to 519,795.83, 779,693.24 and 195,644.45

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Solution

The fourth proportional to 519,795.83, 779,693.24 and 195,644.45 is: 293,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,795.83 : 779,693.24 = 195,644.45 : x
  2. Step 2: Convert to fraction form
    519,795.83/779,693.24 = 195,644.45/x
  3. Step 3: Cross multiply
    519,795.83x = 779,693.24 × 195,644.45
  4. Step 4: Simplify right side
    519,795.83x = 152,542,650,231.83
  5. Step 5: Solve for x
    x = 152,542,650,231.83/519,795.83
  6. Step 6: Final answer
    x = 293,466.48

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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.