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Finding the Fourth Proportional to 332,321.94, 498,439.17 and 92,451.78

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Solution

The fourth proportional to 332,321.94, 498,439.17 and 92,451.78 is: 138,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,321.94 : 498,439.17 = 92,451.78 : x
  2. Step 2: Convert to fraction form
    332,321.94/498,439.17 = 92,451.78/x
  3. Step 3: Cross multiply
    332,321.94x = 498,439.17 × 92,451.78
  4. Step 4: Simplify right side
    332,321.94x = 46,081,588,488.22
  5. Step 5: Solve for x
    x = 46,081,588,488.22/332,321.94
  6. Step 6: Final answer
    x = 138,665.50

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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.