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Finding the Fourth Proportional to 366,909.49, 550,418.88 and 130,232.35

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Solution

The fourth proportional to 366,909.49, 550,418.88 and 130,232.35 is: 195,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.49 : 550,418.88 = 130,232.35 : x
  2. Step 2: Convert to fraction form
    366,909.49/550,418.88 = 130,232.35/x
  3. Step 3: Cross multiply
    366,909.49x = 550,418.88 × 130,232.35
  4. Step 4: Simplify right side
    366,909.49x = 71,682,344,226.77
  5. Step 5: Solve for x
    x = 71,682,344,226.77/366,909.49
  6. Step 6: Final answer
    x = 195,367.92

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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.