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Finding the Fourth Proportional to 294,620.04, 406,578.42 and 167,298.48

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Solution

The fourth proportional to 294,620.04, 406,578.42 and 167,298.48 is: 230,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,620.04 : 406,578.42 = 167,298.48 : x
  2. Step 2: Convert to fraction form
    294,620.04/406,578.42 = 167,298.48/x
  3. Step 3: Cross multiply
    294,620.04x = 406,578.42 × 167,298.48
  4. Step 4: Simplify right side
    294,620.04x = 68,019,951,666.80
  5. Step 5: Solve for x
    x = 68,019,951,666.80/294,620.04
  6. Step 6: Final answer
    x = 230,873.47

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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.