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Finding the Fourth Proportional to 586,029.60, 878,007.60 and 548,704.80

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Solution

The fourth proportional to 586,029.60, 878,007.60 and 548,704.80 is: 822,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,029.60 : 878,007.60 = 548,704.80 : x
  2. Step 2: Convert to fraction form
    586,029.60/878,007.60 = 548,704.80/x
  3. Step 3: Cross multiply
    586,029.60x = 878,007.60 × 548,704.80
  4. Step 4: Simplify right side
    586,029.60x = 481,766,984,556.48
  5. Step 5: Solve for x
    x = 481,766,984,556.48/586,029.60
  6. Step 6: Final answer
    x = 822,086.43

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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.