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Finding the Fourth Proportional to 298,373.52, 411,743.34 and 170,960.52

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Solution

The fourth proportional to 298,373.52, 411,743.34 and 170,960.52 is: 235,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,373.52 : 411,743.34 = 170,960.52 : x
  2. Step 2: Convert to fraction form
    298,373.52/411,743.34 = 170,960.52/x
  3. Step 3: Cross multiply
    298,373.52x = 411,743.34 × 170,960.52
  4. Step 4: Simplify right side
    298,373.52x = 70,391,855,512.94
  5. Step 5: Solve for x
    x = 70,391,855,512.94/298,373.52
  6. Step 6: Final answer
    x = 235,918.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.