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Finding the Fourth Proportional to 312,101.10, 468,151.65 and 275,942.70

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Solution

The fourth proportional to 312,101.10, 468,151.65 and 275,942.70 is: 413,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,101.10 : 468,151.65 = 275,942.70 : x
  2. Step 2: Convert to fraction form
    312,101.10/468,151.65 = 275,942.70/x
  3. Step 3: Cross multiply
    312,101.10x = 468,151.65 × 275,942.70
  4. Step 4: Simplify right side
    312,101.10x = 129,183,030,310.46
  5. Step 5: Solve for x
    x = 129,183,030,310.46/312,101.10
  6. Step 6: Final answer
    x = 413,914.05

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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.