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Finding the Fourth Proportional to 294,004.67, 405,677.27 and 173,170.02

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Solution

The fourth proportional to 294,004.67, 405,677.27 and 173,170.02 is: 238,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,004.67 : 405,677.27 = 173,170.02 : x
  2. Step 2: Convert to fraction form
    294,004.67/405,677.27 = 173,170.02/x
  3. Step 3: Cross multiply
    294,004.67x = 405,677.27 × 173,170.02
  4. Step 4: Simplify right side
    294,004.67x = 70,251,138,572.31
  5. Step 5: Solve for x
    x = 70,251,138,572.31/294,004.67
  6. Step 6: Final answer
    x = 238,945.66

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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.