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Finding the Fourth Proportional to 302,843.63, 417,932.84 and 168,716.27

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Solution

The fourth proportional to 302,843.63, 417,932.84 and 168,716.27 is: 232,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,843.63 : 417,932.84 = 168,716.27 : x
  2. Step 2: Convert to fraction form
    302,843.63/417,932.84 = 168,716.27/x
  3. Step 3: Cross multiply
    302,843.63x = 417,932.84 × 168,716.27
  4. Step 4: Simplify right side
    302,843.63x = 70,512,068,207.43
  5. Step 5: Solve for x
    x = 70,512,068,207.43/302,843.63
  6. Step 6: Final answer
    x = 232,833.26

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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.