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Finding the Fourth Proportional to 444,010.90, 665,250.90 and 206,867.20

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Solution

The fourth proportional to 444,010.90, 665,250.90 and 206,867.20 is: 309,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,010.90 : 665,250.90 = 206,867.20 : x
  2. Step 2: Convert to fraction form
    444,010.90/665,250.90 = 206,867.20/x
  3. Step 3: Cross multiply
    444,010.90x = 665,250.90 × 206,867.20
  4. Step 4: Simplify right side
    444,010.90x = 137,618,590,980.48
  5. Step 5: Solve for x
    x = 137,618,590,980.48/444,010.90
  6. Step 6: Final answer
    x = 309,944.17

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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.