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Finding the Fourth Proportional to 594,620.64, 892,067.13 and 257,717.88

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Solution

The fourth proportional to 594,620.64, 892,067.13 and 257,717.88 is: 386,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,620.64 : 892,067.13 = 257,717.88 : x
  2. Step 2: Convert to fraction form
    594,620.64/892,067.13 = 257,717.88/x
  3. Step 3: Cross multiply
    594,620.64x = 892,067.13 × 257,717.88
  4. Step 4: Simplify right side
    594,620.64x = 229,901,649,561.28
  5. Step 5: Solve for x
    x = 229,901,649,561.28/594,620.64
  6. Step 6: Final answer
    x = 386,635.84

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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.