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Finding the Fourth Proportional to 568,717.92, 852,470.64 and 428,041.44

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Solution

The fourth proportional to 568,717.92, 852,470.64 and 428,041.44 is: 641,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,717.92 : 852,470.64 = 428,041.44 : x
  2. Step 2: Convert to fraction form
    568,717.92/852,470.64 = 428,041.44/x
  3. Step 3: Cross multiply
    568,717.92x = 852,470.64 × 428,041.44
  4. Step 4: Simplify right side
    568,717.92x = 364,892,760,303.32
  5. Step 5: Solve for x
    x = 364,892,760,303.32/568,717.92
  6. Step 6: Final answer
    x = 641,605.88

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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.