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Finding the Fourth Proportional to 225,057.57, 309,280.52 and 214,649.88

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Solution

The fourth proportional to 225,057.57, 309,280.52 and 214,649.88 is: 294,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,057.57 : 309,280.52 = 214,649.88 : x
  2. Step 2: Convert to fraction form
    225,057.57/309,280.52 = 214,649.88/x
  3. Step 3: Cross multiply
    225,057.57x = 309,280.52 × 214,649.88
  4. Step 4: Simplify right side
    225,057.57x = 66,387,025,431.09
  5. Step 5: Solve for x
    x = 66,387,025,431.09/225,057.57
  6. Step 6: Final answer
    x = 294,977.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.