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Finding the Fourth Proportional to 626,799,252.70, 940,198,879.05 and 626,799,252.70

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Solution

The fourth proportional to 626,799,252.70, 940,198,879.05 and 626,799,252.70 is: 940,198,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,799,252.70 : 940,198,879.05 = 626,799,252.70 : x
  2. Step 2: Convert to fraction form
    626,799,252.70/940,198,879.05 = 626,799,252.70/x
  3. Step 3: Cross multiply
    626,799,252.70x = 940,198,879.05 × 626,799,252.70
  4. Step 4: Simplify right side
    626,799,252.70x = 589,315,954,777,917,696
  5. Step 5: Solve for x
    x = 589,315,954,777,917,696/626,799,252.70
  6. Step 6: Final answer
    x = 940,198,879.05

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Double scale
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Similar ratio
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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.