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Finding the Fourth Proportional to 293,542.79, 440,175.39 and 113,712.45

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Solution

The fourth proportional to 293,542.79, 440,175.39 and 113,712.45 is: 170,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,542.79 : 440,175.39 = 113,712.45 : x
  2. Step 2: Convert to fraction form
    293,542.79/440,175.39 = 113,712.45/x
  3. Step 3: Cross multiply
    293,542.79x = 440,175.39 × 113,712.45
  4. Step 4: Simplify right side
    293,542.79x = 50,053,420,375.95
  5. Step 5: Solve for x
    x = 50,053,420,375.95/293,542.79
  6. Step 6: Final answer
    x = 170,514.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.