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Finding the Fourth Proportional to 626,790.60, 940,337.10 and 206,044.20

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Solution

The fourth proportional to 626,790.60, 940,337.10 and 206,044.20 is: 309,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,790.60 : 940,337.10 = 206,044.20 : x
  2. Step 2: Convert to fraction form
    626,790.60/940,337.10 = 206,044.20/x
  3. Step 3: Cross multiply
    626,790.60x = 940,337.10 × 206,044.20
  4. Step 4: Simplify right side
    626,790.60x = 193,751,005,499.82
  5. Step 5: Solve for x
    x = 193,751,005,499.82/626,790.60
  6. Step 6: Final answer
    x = 309,116.00

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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.