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Finding the Fourth Proportional to 296,805.40, 409,733.32 and 169,456.40

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Solution

The fourth proportional to 296,805.40, 409,733.32 and 169,456.40 is: 233,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,805.40 : 409,733.32 = 169,456.40 : x
  2. Step 2: Convert to fraction form
    296,805.40/409,733.32 = 169,456.40/x
  3. Step 3: Cross multiply
    296,805.40x = 409,733.32 × 169,456.40
  4. Step 4: Simplify right side
    296,805.40x = 69,431,933,367.25
  5. Step 5: Solve for x
    x = 69,431,933,367.25/296,805.40
  6. Step 6: Final answer
    x = 233,930.83

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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.