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Finding the Fourth Proportional to 342,604.98, 514,212.74 and 162,911.94

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Solution

The fourth proportional to 342,604.98, 514,212.74 and 162,911.94 is: 244,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,604.98 : 514,212.74 = 162,911.94 : x
  2. Step 2: Convert to fraction form
    342,604.98/514,212.74 = 162,911.94/x
  3. Step 3: Cross multiply
    342,604.98x = 514,212.74 × 162,911.94
  4. Step 4: Simplify right side
    342,604.98x = 83,771,394,231.56
  5. Step 5: Solve for x
    x = 83,771,394,231.56/342,604.98
  6. Step 6: Final answer
    x = 244,513.07

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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.