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Finding the Fourth Proportional to 1,700,662.97, 2,346,914.77 and 936,716.54

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Solution

The fourth proportional to 1,700,662.97, 2,346,914.77 and 936,716.54 is: 1,292,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,662.97 : 2,346,914.77 = 936,716.54 : x
  2. Step 2: Convert to fraction form
    1,700,662.97/2,346,914.77 = 936,716.54/x
  3. Step 3: Cross multiply
    1,700,662.97x = 2,346,914.77 × 936,716.54
  4. Step 4: Simplify right side
    1,700,662.97x = 2,198,393,868,952.93
  5. Step 5: Solve for x
    x = 2,198,393,868,952.93/1,700,662.97
  6. Step 6: Final answer
    x = 1,292,668.74

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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.