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Finding the Fourth Proportional to 273,410.10, 410,115.15 and 245,853.90

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Solution

The fourth proportional to 273,410.10, 410,115.15 and 245,853.90 is: 368,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,410.10 : 410,115.15 = 245,853.90 : x
  2. Step 2: Convert to fraction form
    273,410.10/410,115.15 = 245,853.90/x
  3. Step 3: Cross multiply
    273,410.10x = 410,115.15 × 245,853.90
  4. Step 4: Simplify right side
    273,410.10x = 100,828,409,076.59
  5. Step 5: Solve for x
    x = 100,828,409,076.59/273,410.10
  6. Step 6: Final answer
    x = 368,780.85

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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.