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Finding the Fourth Proportional to 571,889.52, 857,235.73 and 192,679.25

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Solution

The fourth proportional to 571,889.52, 857,235.73 and 192,679.25 is: 288,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,889.52 : 857,235.73 = 192,679.25 : x
  2. Step 2: Convert to fraction form
    571,889.52/857,235.73 = 192,679.25/x
  3. Step 3: Cross multiply
    571,889.52x = 857,235.73 × 192,679.25
  4. Step 4: Simplify right side
    571,889.52x = 165,171,532,280.03
  5. Step 5: Solve for x
    x = 165,171,532,280.03/571,889.52
  6. Step 6: Final answer
    x = 288,817.20

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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.