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Finding the Fourth Proportional to 417,818.86, 576,589.79 and 226,832.40

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Solution

The fourth proportional to 417,818.86, 576,589.79 and 226,832.40 is: 313,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,818.86 : 576,589.79 = 226,832.40 : x
  2. Step 2: Convert to fraction form
    417,818.86/576,589.79 = 226,832.40/x
  3. Step 3: Cross multiply
    417,818.86x = 576,589.79 × 226,832.40
  4. Step 4: Simplify right side
    417,818.86x = 130,789,246,448.28
  5. Step 5: Solve for x
    x = 130,789,246,448.28/417,818.86
  6. Step 6: Final answer
    x = 313,028.59

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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.