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Finding the Fourth Proportional to 293,891.85, 405,575.10 and 171,380.82

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Solution

The fourth proportional to 293,891.85, 405,575.10 and 171,380.82 is: 236,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,891.85 : 405,575.10 = 171,380.82 : x
  2. Step 2: Convert to fraction form
    293,891.85/405,575.10 = 171,380.82/x
  3. Step 3: Cross multiply
    293,891.85x = 405,575.10 × 171,380.82
  4. Step 4: Simplify right side
    293,891.85x = 69,507,793,209.58
  5. Step 5: Solve for x
    x = 69,507,793,209.58/293,891.85
  6. Step 6: Final answer
    x = 236,508.07

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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.