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Finding the Fourth Proportional to 552,787.56, 827,852.60 and 315,410.60

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Solution

The fourth proportional to 552,787.56, 827,852.60 and 315,410.60 is: 472,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,787.56 : 827,852.60 = 315,410.60 : x
  2. Step 2: Convert to fraction form
    552,787.56/827,852.60 = 315,410.60/x
  3. Step 3: Cross multiply
    552,787.56x = 827,852.60 × 315,410.60
  4. Step 4: Simplify right side
    552,787.56x = 261,113,485,277.56
  5. Step 5: Solve for x
    x = 261,113,485,277.56/552,787.56
  6. Step 6: Final answer
    x = 472,357.74

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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.