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Finding the Fourth Proportional to 293,879.20, 441,758.40 and 273,078.40

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Solution

The fourth proportional to 293,879.20, 441,758.40 and 273,078.40 is: 410,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,879.20 : 441,758.40 = 273,078.40 : x
  2. Step 2: Convert to fraction form
    293,879.20/441,758.40 = 273,078.40/x
  3. Step 3: Cross multiply
    293,879.20x = 441,758.40 × 273,078.40
  4. Step 4: Simplify right side
    293,879.20x = 120,634,677,058.56
  5. Step 5: Solve for x
    x = 120,634,677,058.56/293,879.20
  6. Step 6: Final answer
    x = 410,490.70

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1.5x scale

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.