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Finding the Fourth Proportional to 582,128.78, 873,193.37 and 261,906.62

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Solution

The fourth proportional to 582,128.78, 873,193.37 and 261,906.62 is: 392,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,128.78 : 873,193.37 = 261,906.62 : x
  2. Step 2: Convert to fraction form
    582,128.78/873,193.37 = 261,906.62/x
  3. Step 3: Cross multiply
    582,128.78x = 873,193.37 × 261,906.62
  4. Step 4: Simplify right side
    582,128.78x = 228,695,118,467.61
  5. Step 5: Solve for x
    x = 228,695,118,467.61/582,128.78
  6. Step 6: Final answer
    x = 392,860.01

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1.5x scale

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.