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Finding the Fourth Proportional to 911,600.94, 1,366,524.98 and 612,165

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Solution

The fourth proportional to 911,600.94, 1,366,524.98 and 612,165 is: 917,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,600.94 : 1,366,524.98 = 612,165 : x
  2. Step 2: Convert to fraction form
    911,600.94/1,366,524.98 = 612,165/x
  3. Step 3: Cross multiply
    911,600.94x = 1,366,524.98 × 612,165
  4. Step 4: Simplify right side
    911,600.94x = 836,538,764,381.70
  5. Step 5: Solve for x
    x = 836,538,764,381.70/911,600.94
  6. Step 6: Final answer
    x = 917,658.95

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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.