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Finding the Fourth Proportional to 662,069.97, 992,993.78 and 188,642.79

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Solution

The fourth proportional to 662,069.97, 992,993.78 and 188,642.79 is: 282,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,069.97 : 992,993.78 = 188,642.79 : x
  2. Step 2: Convert to fraction form
    662,069.97/992,993.78 = 188,642.79/x
  3. Step 3: Cross multiply
    662,069.97x = 992,993.78 × 188,642.79
  4. Step 4: Simplify right side
    662,069.97x = 187,321,117,583.45
  5. Step 5: Solve for x
    x = 187,321,117,583.45/662,069.97
  6. Step 6: Final answer
    x = 282,932.51

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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.