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Finding the Fourth Proportional to 277,770.87, 383,322.02 and 156,951.27

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Solution

The fourth proportional to 277,770.87, 383,322.02 and 156,951.27 is: 216,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,770.87 : 383,322.02 = 156,951.27 : x
  2. Step 2: Convert to fraction form
    277,770.87/383,322.02 = 156,951.27/x
  3. Step 3: Cross multiply
    277,770.87x = 383,322.02 × 156,951.27
  4. Step 4: Simplify right side
    277,770.87x = 60,162,877,073.21
  5. Step 5: Solve for x
    x = 60,162,877,073.21/277,770.87
  6. Step 6: Final answer
    x = 216,591.74

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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.