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Finding the Fourth Proportional to 582,163, 872,771.46 and 262,079.80

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Solution

The fourth proportional to 582,163, 872,771.46 and 262,079.80 is: 392,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,163 : 872,771.46 = 262,079.80 : x
  2. Step 2: Convert to fraction form
    582,163/872,771.46 = 262,079.80/x
  3. Step 3: Cross multiply
    582,163x = 872,771.46 × 262,079.80
  4. Step 4: Simplify right side
    582,163x = 228,735,769,682.51
  5. Step 5: Solve for x
    x = 228,735,769,682.51/582,163
  6. Step 6: Final answer
    x = 392,906.75

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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.