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Finding the Fourth Proportional to 361,496.25, 498,657.06 and 225,464.85

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Solution

The fourth proportional to 361,496.25, 498,657.06 and 225,464.85 is: 311,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,496.25 : 498,657.06 = 225,464.85 : x
  2. Step 2: Convert to fraction form
    361,496.25/498,657.06 = 225,464.85/x
  3. Step 3: Cross multiply
    361,496.25x = 498,657.06 × 225,464.85
  4. Step 4: Simplify right side
    361,496.25x = 112,429,639,234.34
  5. Step 5: Solve for x
    x = 112,429,639,234.34/361,496.25
  6. Step 6: Final answer
    x = 311,011.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.