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Finding the Fourth Proportional to 273,402.10, 410,103.15 and 245,845.90

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Solution

The fourth proportional to 273,402.10, 410,103.15 and 245,845.90 is: 368,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,402.10 : 410,103.15 = 245,845.90 : x
  2. Step 2: Convert to fraction form
    273,402.10/410,103.15 = 245,845.90/x
  3. Step 3: Cross multiply
    273,402.10x = 410,103.15 × 245,845.90
  4. Step 4: Simplify right side
    273,402.10x = 100,822,178,004.59
  5. Step 5: Solve for x
    x = 100,822,178,004.59/273,402.10
  6. Step 6: Final answer
    x = 368,768.85

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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.