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Finding the Fourth Proportional to 626,847.60, 940,422.60 and 206,101.20

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Solution

The fourth proportional to 626,847.60, 940,422.60 and 206,101.20 is: 309,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,847.60 : 940,422.60 = 206,101.20 : x
  2. Step 2: Convert to fraction form
    626,847.60/940,422.60 = 206,101.20/x
  3. Step 3: Cross multiply
    626,847.60x = 940,422.60 × 206,101.20
  4. Step 4: Simplify right side
    626,847.60x = 193,822,226,367.12
  5. Step 5: Solve for x
    x = 193,822,226,367.12/626,847.60
  6. Step 6: Final answer
    x = 309,201.51

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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.