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Finding the Fourth Proportional to 576,009.37, 863,938.11 and 171,192.93

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Solution

The fourth proportional to 576,009.37, 863,938.11 and 171,192.93 is: 256,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,009.37 : 863,938.11 = 171,192.93 : x
  2. Step 2: Convert to fraction form
    576,009.37/863,938.11 = 171,192.93/x
  3. Step 3: Cross multiply
    576,009.37x = 863,938.11 × 171,192.93
  4. Step 4: Simplify right side
    576,009.37x = 147,900,100,271.30
  5. Step 5: Solve for x
    x = 147,900,100,271.30/576,009.37
  6. Step 6: Final answer
    x = 256,766.83

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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.