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Finding the Fourth Proportional to 362,893.80, 544,211.10 and 126,244.20

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Solution

The fourth proportional to 362,893.80, 544,211.10 and 126,244.20 is: 189,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,893.80 : 544,211.10 = 126,244.20 : x
  2. Step 2: Convert to fraction form
    362,893.80/544,211.10 = 126,244.20/x
  3. Step 3: Cross multiply
    362,893.80x = 544,211.10 × 126,244.20
  4. Step 4: Simplify right side
    362,893.80x = 68,703,494,950.62
  5. Step 5: Solve for x
    x = 68,703,494,950.62/362,893.80
  6. Step 6: Final answer
    x = 189,321.21

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1.5x scale

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.