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Finding the Fourth Proportional to 572,359.56, 789,893.52 and 330,652.32

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Solution

The fourth proportional to 572,359.56, 789,893.52 and 330,652.32 is: 456,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,359.56 : 789,893.52 = 330,652.32 : x
  2. Step 2: Convert to fraction form
    572,359.56/789,893.52 = 330,652.32/x
  3. Step 3: Cross multiply
    572,359.56x = 789,893.52 × 330,652.32
  4. Step 4: Simplify right side
    572,359.56x = 261,180,124,940.97
  5. Step 5: Solve for x
    x = 261,180,124,940.97/572,359.56
  6. Step 6: Final answer
    x = 456,321.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.