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Finding the Fourth Proportional to 293,874.34, 405,546.23 and 171,371.66

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Solution

The fourth proportional to 293,874.34, 405,546.23 and 171,371.66 is: 236,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,874.34 : 405,546.23 = 171,371.66 : x
  2. Step 2: Convert to fraction form
    293,874.34/405,546.23 = 171,371.66/x
  3. Step 3: Cross multiply
    293,874.34x = 405,546.23 × 171,371.66
  4. Step 4: Simplify right side
    293,874.34x = 69,499,132,084.14
  5. Step 5: Solve for x
    x = 69,499,132,084.14/293,874.34
  6. Step 6: Final answer
    x = 236,492.69

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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.