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Finding the Fourth Proportional to 494,737.84, 682,739.53 and 268,383.34

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Solution

The fourth proportional to 494,737.84, 682,739.53 and 268,383.34 is: 370,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,737.84 : 682,739.53 = 268,383.34 : x
  2. Step 2: Convert to fraction form
    494,737.84/682,739.53 = 268,383.34/x
  3. Step 3: Cross multiply
    494,737.84x = 682,739.53 × 268,383.34
  4. Step 4: Simplify right side
    494,737.84x = 183,235,911,997.73
  5. Step 5: Solve for x
    x = 183,235,911,997.73/494,737.84
  6. Step 6: Final answer
    x = 370,369.72

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1.5x scale

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.