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Finding the Fourth Proportional to 571,539.70, 856,773.15 and 192,195.19

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Solution

The fourth proportional to 571,539.70, 856,773.15 and 192,195.19 is: 288,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,539.70 : 856,773.15 = 192,195.19 : x
  2. Step 2: Convert to fraction form
    571,539.70/856,773.15 = 192,195.19/x
  3. Step 3: Cross multiply
    571,539.70x = 856,773.15 × 192,195.19
  4. Step 4: Simplify right side
    571,539.70x = 164,667,678,351.15
  5. Step 5: Solve for x
    x = 164,667,678,351.15/571,539.70
  6. Step 6: Final answer
    x = 288,112.41

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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.