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Finding the Fourth Proportional to 626,794.60, 940,343.10 and 206,048.20

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Solution

The fourth proportional to 626,794.60, 940,343.10 and 206,048.20 is: 309,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,794.60 : 940,343.10 = 206,048.20 : x
  2. Step 2: Convert to fraction form
    626,794.60/940,343.10 = 206,048.20/x
  3. Step 3: Cross multiply
    626,794.60x = 940,343.10 × 206,048.20
  4. Step 4: Simplify right side
    626,794.60x = 193,756,003,137.42
  5. Step 5: Solve for x
    x = 193,756,003,137.42/626,794.60
  6. Step 6: Final answer
    x = 309,122.00

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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.