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Finding the Fourth Proportional to 529,965.72, 794,467.47 and 192,767.98

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Solution

The fourth proportional to 529,965.72, 794,467.47 and 192,767.98 is: 288,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,965.72 : 794,467.47 = 192,767.98 : x
  2. Step 2: Convert to fraction form
    529,965.72/794,467.47 = 192,767.98/x
  3. Step 3: Cross multiply
    529,965.72x = 794,467.47 × 192,767.98
  4. Step 4: Simplify right side
    529,965.72x = 153,147,889,367.61
  5. Step 5: Solve for x
    x = 153,147,889,367.61/529,965.72
  6. Step 6: Final answer
    x = 288,976.97

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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.