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Finding the Fourth Proportional to 682,595,411.99, 941,974,962.32 and 369,322,752.29

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Solution

The fourth proportional to 682,595,411.99, 941,974,962.32 and 369,322,752.29 is: 509,661,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,595,411.99 : 941,974,962.32 = 369,322,752.29 : x
  2. Step 2: Convert to fraction form
    682,595,411.99/941,974,962.32 = 369,322,752.29/x
  3. Step 3: Cross multiply
    682,595,411.99x = 941,974,962.32 × 369,322,752.29
  4. Step 4: Simplify right side
    682,595,411.99x = 347,892,785,668,504,896
  5. Step 5: Solve for x
    x = 347,892,785,668,504,896/682,595,411.99
  6. Step 6: Final answer
    x = 509,661,769.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.