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Finding the Fourth Proportional to 360,960.01, 498,118.79 and 199,811.65

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Solution

The fourth proportional to 360,960.01, 498,118.79 and 199,811.65 is: 275,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,960.01 : 498,118.79 = 199,811.65 : x
  2. Step 2: Convert to fraction form
    360,960.01/498,118.79 = 199,811.65/x
  3. Step 3: Cross multiply
    360,960.01x = 498,118.79 × 199,811.65
  4. Step 4: Simplify right side
    360,960.01x = 99,529,936,326.85
  5. Step 5: Solve for x
    x = 99,529,936,326.85/360,960.01
  6. Step 6: Final answer
    x = 275,736.74

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1.5x scale

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.