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Finding the Fourth Proportional to 456,594.12, 629,957.04 and 275,361.48

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Solution

The fourth proportional to 456,594.12, 629,957.04 and 275,361.48 is: 379,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,594.12 : 629,957.04 = 275,361.48 : x
  2. Step 2: Convert to fraction form
    456,594.12/629,957.04 = 275,361.48/x
  3. Step 3: Cross multiply
    456,594.12x = 629,957.04 × 275,361.48
  4. Step 4: Simplify right side
    456,594.12x = 173,465,902,870.82
  5. Step 5: Solve for x
    x = 173,465,902,870.82/456,594.12
  6. Step 6: Final answer
    x = 379,912.70

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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.