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Finding the Fourth Proportional to 265,046.80, 397,787.80 and 262,973.20

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Solution

The fourth proportional to 265,046.80, 397,787.80 and 262,973.20 is: 394,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,046.80 : 397,787.80 = 262,973.20 : x
  2. Step 2: Convert to fraction form
    265,046.80/397,787.80 = 262,973.20/x
  3. Step 3: Cross multiply
    265,046.80x = 397,787.80 × 262,973.20
  4. Step 4: Simplify right side
    265,046.80x = 104,607,530,686.96
  5. Step 5: Solve for x
    x = 104,607,530,686.96/265,046.80
  6. Step 6: Final answer
    x = 394,675.70

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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.