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Finding the Fourth Proportional to 626,850.60, 940,427.10 and 206,104.20

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Solution

The fourth proportional to 626,850.60, 940,427.10 and 206,104.20 is: 309,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,850.60 : 940,427.10 = 206,104.20 : x
  2. Step 2: Convert to fraction form
    626,850.60/940,427.10 = 206,104.20/x
  3. Step 3: Cross multiply
    626,850.60x = 940,427.10 × 206,104.20
  4. Step 4: Simplify right side
    626,850.60x = 193,825,975,103.82
  5. Step 5: Solve for x
    x = 193,825,975,103.82/626,850.60
  6. Step 6: Final answer
    x = 309,206.01

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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.