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Finding the Fourth Proportional to 603,951.70, 905,924.35 and 154,671.70

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Solution

The fourth proportional to 603,951.70, 905,924.35 and 154,671.70 is: 232,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,951.70 : 905,924.35 = 154,671.70 : x
  2. Step 2: Convert to fraction form
    603,951.70/905,924.35 = 154,671.70/x
  3. Step 3: Cross multiply
    603,951.70x = 905,924.35 × 154,671.70
  4. Step 4: Simplify right side
    603,951.70x = 140,120,859,285.90
  5. Step 5: Solve for x
    x = 140,120,859,285.90/603,951.70
  6. Step 6: Final answer
    x = 232,006.73

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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.