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Finding the Fourth Proportional to 489,174.40, 733,754.77 and 169,558.93

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Solution

The fourth proportional to 489,174.40, 733,754.77 and 169,558.93 is: 254,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,174.40 : 733,754.77 = 169,558.93 : x
  2. Step 2: Convert to fraction form
    489,174.40/733,754.77 = 169,558.93/x
  3. Step 3: Cross multiply
    489,174.40x = 733,754.77 × 169,558.93
  4. Step 4: Simplify right side
    489,174.40x = 124,414,674,176.89
  5. Step 5: Solve for x
    x = 124,414,674,176.89/489,174.40
  6. Step 6: Final answer
    x = 254,336.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.