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Finding the Fourth Proportional to 291,244.38, 401,863.59 and 163,892.94

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Solution

The fourth proportional to 291,244.38, 401,863.59 and 163,892.94 is: 226,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,244.38 : 401,863.59 = 163,892.94 : x
  2. Step 2: Convert to fraction form
    291,244.38/401,863.59 = 163,892.94/x
  3. Step 3: Cross multiply
    291,244.38x = 401,863.59 × 163,892.94
  4. Step 4: Simplify right side
    291,244.38x = 65,862,605,244.05
  5. Step 5: Solve for x
    x = 65,862,605,244.05/291,244.38
  6. Step 6: Final answer
    x = 226,142.06

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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.