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Finding the Fourth Proportional to 412,047.88, 568,633.58 and 248,704.60

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Solution

The fourth proportional to 412,047.88, 568,633.58 and 248,704.60 is: 343,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,047.88 : 568,633.58 = 248,704.60 : x
  2. Step 2: Convert to fraction form
    412,047.88/568,633.58 = 248,704.60/x
  3. Step 3: Cross multiply
    412,047.88x = 568,633.58 × 248,704.60
  4. Step 4: Simplify right side
    412,047.88x = 141,421,787,060.47
  5. Step 5: Solve for x
    x = 141,421,787,060.47/412,047.88
  6. Step 6: Final answer
    x = 343,216.88

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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.