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Finding the Fourth Proportional to 297,613.69, 410,709.87 and 161,650.29

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Solution

The fourth proportional to 297,613.69, 410,709.87 and 161,650.29 is: 223,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,613.69 : 410,709.87 = 161,650.29 : x
  2. Step 2: Convert to fraction form
    297,613.69/410,709.87 = 161,650.29/x
  3. Step 3: Cross multiply
    297,613.69x = 410,709.87 × 161,650.29
  4. Step 4: Simplify right side
    297,613.69x = 66,391,371,131.52
  5. Step 5: Solve for x
    x = 66,391,371,131.52/297,613.69
  6. Step 6: Final answer
    x = 223,079.02

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1.5x scale

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.