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Finding the Fourth Proportional to 544,261.66, 816,285.87 and 517,257.07

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Solution

The fourth proportional to 544,261.66, 816,285.87 and 517,257.07 is: 775,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,261.66 : 816,285.87 = 517,257.07 : x
  2. Step 2: Convert to fraction form
    544,261.66/816,285.87 = 517,257.07/x
  3. Step 3: Cross multiply
    544,261.66x = 816,285.87 × 517,257.07
  4. Step 4: Simplify right side
    544,261.66x = 422,229,635,357.89
  5. Step 5: Solve for x
    x = 422,229,635,357.89/544,261.66
  6. Step 6: Final answer
    x = 775,784.27

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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.