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Finding the Fourth Proportional to 582,760.40, 873,622.20 and 345,851.60

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Solution

The fourth proportional to 582,760.40, 873,622.20 and 345,851.60 is: 518,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,760.40 : 873,622.20 = 345,851.60 : x
  2. Step 2: Convert to fraction form
    582,760.40/873,622.20 = 345,851.60/x
  3. Step 3: Cross multiply
    582,760.40x = 873,622.20 × 345,851.60
  4. Step 4: Simplify right side
    582,760.40x = 302,143,635,665.52
  5. Step 5: Solve for x
    x = 302,143,635,665.52/582,760.40
  6. Step 6: Final answer
    x = 518,469.74

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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.