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Finding the Fourth Proportional to 541,693.31, 812,096.55 and 204,542.62

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Solution

The fourth proportional to 541,693.31, 812,096.55 and 204,542.62 is: 306,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,693.31 : 812,096.55 = 204,542.62 : x
  2. Step 2: Convert to fraction form
    541,693.31/812,096.55 = 204,542.62/x
  3. Step 3: Cross multiply
    541,693.31x = 812,096.55 × 204,542.62
  4. Step 4: Simplify right side
    541,693.31x = 166,108,353,999.72
  5. Step 5: Solve for x
    x = 166,108,353,999.72/541,693.31
  6. Step 6: Final answer
    x = 306,646.50

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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.