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Finding the Fourth Proportional to 442,989.80, 611,286.50 and 246,741.26

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Solution

The fourth proportional to 442,989.80, 611,286.50 and 246,741.26 is: 340,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,989.80 : 611,286.50 = 246,741.26 : x
  2. Step 2: Convert to fraction form
    442,989.80/611,286.50 = 246,741.26/x
  3. Step 3: Cross multiply
    442,989.80x = 611,286.50 × 246,741.26
  4. Step 4: Simplify right side
    442,989.80x = 150,829,596,940.85
  5. Step 5: Solve for x
    x = 150,829,596,940.85/442,989.80
  6. Step 6: Final answer
    x = 340,480.97

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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.