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Finding the Fourth Proportional to 492,006.15, 738,006.22 and 127,267.74

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Solution

The fourth proportional to 492,006.15, 738,006.22 and 127,267.74 is: 190,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,006.15 : 738,006.22 = 127,267.74 : x
  2. Step 2: Convert to fraction form
    492,006.15/738,006.22 = 127,267.74/x
  3. Step 3: Cross multiply
    492,006.15x = 738,006.22 × 127,267.74
  4. Step 4: Simplify right side
    492,006.15x = 93,924,383,884.43
  5. Step 5: Solve for x
    x = 93,924,383,884.43/492,006.15
  6. Step 6: Final answer
    x = 190,900.83

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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.