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Finding the Fourth Proportional to 556,361.70, 834,542.55 and 366,912.83

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Solution

The fourth proportional to 556,361.70, 834,542.55 and 366,912.83 is: 550,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,361.70 : 834,542.55 = 366,912.83 : x
  2. Step 2: Convert to fraction form
    556,361.70/834,542.55 = 366,912.83/x
  3. Step 3: Cross multiply
    556,361.70x = 834,542.55 × 366,912.83
  4. Step 4: Simplify right side
    556,361.70x = 306,204,368,775.92
  5. Step 5: Solve for x
    x = 306,204,368,775.92/556,361.70
  6. Step 6: Final answer
    x = 550,369.25

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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.