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Finding the Fourth Proportional to 416,797.82, 575,181.58 and 225,811.20

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Solution

The fourth proportional to 416,797.82, 575,181.58 and 225,811.20 is: 311,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,797.82 : 575,181.58 = 225,811.20 : x
  2. Step 2: Convert to fraction form
    416,797.82/575,181.58 = 225,811.20/x
  3. Step 3: Cross multiply
    416,797.82x = 575,181.58 × 225,811.20
  4. Step 4: Simplify right side
    416,797.82x = 129,882,442,797.70
  5. Step 5: Solve for x
    x = 129,882,442,797.70/416,797.82
  6. Step 6: Final answer
    x = 311,619.77

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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.