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Finding the Fourth Proportional to 515,833.20, 773,362.62 and 178,755.48

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Solution

The fourth proportional to 515,833.20, 773,362.62 and 178,755.48 is: 267,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,833.20 : 773,362.62 = 178,755.48 : x
  2. Step 2: Convert to fraction form
    515,833.20/773,362.62 = 178,755.48/x
  3. Step 3: Cross multiply
    515,833.20x = 773,362.62 × 178,755.48
  4. Step 4: Simplify right side
    515,833.20x = 138,242,806,352.16
  5. Step 5: Solve for x
    x = 138,242,806,352.16/515,833.20
  6. Step 6: Final answer
    x = 267,999.05

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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.