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Finding the Fourth Proportional to 294,891.64, 406,914.78 and 167,531.56

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Solution

The fourth proportional to 294,891.64, 406,914.78 and 167,531.56 is: 231,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,891.64 : 406,914.78 = 167,531.56 : x
  2. Step 2: Convert to fraction form
    294,891.64/406,914.78 = 167,531.56/x
  3. Step 3: Cross multiply
    294,891.64x = 406,914.78 × 167,531.56
  4. Step 4: Simplify right side
    294,891.64x = 68,171,067,880.46
  5. Step 5: Solve for x
    x = 68,171,067,880.46/294,891.64
  6. Step 6: Final answer
    x = 231,173.28

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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.