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Finding the Fourth Proportional to 262,853.58, 394,274.60 and 73,308.90

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Solution

The fourth proportional to 262,853.58, 394,274.60 and 73,308.90 is: 109,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.58 : 394,274.60 = 73,308.90 : x
  2. Step 2: Convert to fraction form
    262,853.58/394,274.60 = 73,308.90/x
  3. Step 3: Cross multiply
    262,853.58x = 394,274.60 × 73,308.90
  4. Step 4: Simplify right side
    262,853.58x = 28,903,837,223.94
  5. Step 5: Solve for x
    x = 28,903,837,223.94/262,853.58
  6. Step 6: Final answer
    x = 109,961.74

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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.