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Finding the Fourth Proportional to 294,035.01, 405,786.02 and 173,256.86

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Solution

The fourth proportional to 294,035.01, 405,786.02 and 173,256.86 is: 239,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,035.01 : 405,786.02 = 173,256.86 : x
  2. Step 2: Convert to fraction form
    294,035.01/405,786.02 = 173,256.86/x
  3. Step 3: Cross multiply
    294,035.01x = 405,786.02 × 173,256.86
  4. Step 4: Simplify right side
    294,035.01x = 70,305,208,761.88
  5. Step 5: Solve for x
    x = 70,305,208,761.88/294,035.01
  6. Step 6: Final answer
    x = 239,104.89

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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.