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Finding the Fourth Proportional to 299,067.71, 412,696.98 and 169,988.24

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Solution

The fourth proportional to 299,067.71, 412,696.98 and 169,988.24 is: 234,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,067.71 : 412,696.98 = 169,988.24 : x
  2. Step 2: Convert to fraction form
    299,067.71/412,696.98 = 169,988.24/x
  3. Step 3: Cross multiply
    299,067.71x = 412,696.98 × 169,988.24
  4. Step 4: Simplify right side
    299,067.71x = 70,153,631,220.03
  5. Step 5: Solve for x
    x = 70,153,631,220.03/299,067.71
  6. Step 6: Final answer
    x = 234,574.41

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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.