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Finding the Fourth Proportional to 361,892.99, 542,285.92 and 193,437.29

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Solution

The fourth proportional to 361,892.99, 542,285.92 and 193,437.29 is: 289,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,892.99 : 542,285.92 = 193,437.29 : x
  2. Step 2: Convert to fraction form
    361,892.99/542,285.92 = 193,437.29/x
  3. Step 3: Cross multiply
    361,892.99x = 542,285.92 × 193,437.29
  4. Step 4: Simplify right side
    361,892.99x = 104,898,318,769.96
  5. Step 5: Solve for x
    x = 104,898,318,769.96/361,892.99
  6. Step 6: Final answer
    x = 289,860.05

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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.