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Finding the Fourth Proportional to 294,542.92, 406,485.48 and 173,755

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Solution

The fourth proportional to 294,542.92, 406,485.48 and 173,755 is: 239,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,542.92 : 406,485.48 = 173,755 : x
  2. Step 2: Convert to fraction form
    294,542.92/406,485.48 = 173,755/x
  3. Step 3: Cross multiply
    294,542.92x = 406,485.48 × 173,755
  4. Step 4: Simplify right side
    294,542.92x = 70,628,884,577.40
  5. Step 5: Solve for x
    x = 70,628,884,577.40/294,542.92
  6. Step 6: Final answer
    x = 239,791.49

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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.