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Finding the Fourth Proportional to 412,288.68, 568,978.92 and 251,117.94

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Solution

The fourth proportional to 412,288.68, 568,978.92 and 251,117.94 is: 346,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,288.68 : 568,978.92 = 251,117.94 : x
  2. Step 2: Convert to fraction form
    412,288.68/568,978.92 = 251,117.94/x
  3. Step 3: Cross multiply
    412,288.68x = 568,978.92 × 251,117.94
  4. Step 4: Simplify right side
    412,288.68x = 142,880,814,293.83
  5. Step 5: Solve for x
    x = 142,880,814,293.83/412,288.68
  6. Step 6: Final answer
    x = 346,555.27

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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.