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Finding the Fourth Proportional to 296,935.55, 409,674.72 and 167,861.54

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Solution

The fourth proportional to 296,935.55, 409,674.72 and 167,861.54 is: 231,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,935.55 : 409,674.72 = 167,861.54 : x
  2. Step 2: Convert to fraction form
    296,935.55/409,674.72 = 167,861.54/x
  3. Step 3: Cross multiply
    296,935.55x = 409,674.72 × 167,861.54
  4. Step 4: Simplify right side
    296,935.55x = 68,768,629,398.27
  5. Step 5: Solve for x
    x = 68,768,629,398.27/296,935.55
  6. Step 6: Final answer
    x = 231,594.46

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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.