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Finding the Fourth Proportional to 293,542.47, 440,174.90 and 113,712.12

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Solution

The fourth proportional to 293,542.47, 440,174.90 and 113,712.12 is: 170,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,542.47 : 440,174.90 = 113,712.12 : x
  2. Step 2: Convert to fraction form
    293,542.47/440,174.90 = 113,712.12/x
  3. Step 3: Cross multiply
    293,542.47x = 440,174.90 × 113,712.12
  4. Step 4: Simplify right side
    293,542.47x = 50,053,221,049.79
  5. Step 5: Solve for x
    x = 50,053,221,049.79/293,542.47
  6. Step 6: Final answer
    x = 170,514.41

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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.