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Finding the Fourth Proportional to 576,010.37, 863,939.61 and 171,193.93

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Solution

The fourth proportional to 576,010.37, 863,939.61 and 171,193.93 is: 256,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,010.37 : 863,939.61 = 171,193.93 : x
  2. Step 2: Convert to fraction form
    576,010.37/863,939.61 = 171,193.93/x
  3. Step 3: Cross multiply
    576,010.37x = 863,939.61 × 171,193.93
  4. Step 4: Simplify right side
    576,010.37x = 147,901,217,118.57
  5. Step 5: Solve for x
    x = 147,901,217,118.57/576,010.37
  6. Step 6: Final answer
    x = 256,768.32

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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.