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Finding the Fourth Proportional to 582,093, 873,139.70 and 261,870.80

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Solution

The fourth proportional to 582,093, 873,139.70 and 261,870.80 is: 392,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,093 : 873,139.70 = 261,870.80 : x
  2. Step 2: Convert to fraction form
    582,093/873,139.70 = 261,870.80/x
  3. Step 3: Cross multiply
    582,093x = 873,139.70 × 261,870.80
  4. Step 4: Simplify right side
    582,093x = 228,649,791,750.76
  5. Step 5: Solve for x
    x = 228,649,791,750.76/582,093
  6. Step 6: Final answer
    x = 392,806.29

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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.