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Finding the Fourth Proportional to 294,828.39, 406,863.51 and 167,528.59

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Solution

The fourth proportional to 294,828.39, 406,863.51 and 167,528.59 is: 231,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,828.39 : 406,863.51 = 167,528.59 : x
  2. Step 2: Convert to fraction form
    294,828.39/406,863.51 = 167,528.59/x
  3. Step 3: Cross multiply
    294,828.39x = 406,863.51 × 167,528.59
  4. Step 4: Simplify right side
    294,828.39x = 68,161,268,507.36
  5. Step 5: Solve for x
    x = 68,161,268,507.36/294,828.39
  6. Step 6: Final answer
    x = 231,189.64

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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.