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Finding the Fourth Proportional to 397,239.10, 595,858.65 and 366,912.70

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Solution

The fourth proportional to 397,239.10, 595,858.65 and 366,912.70 is: 550,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,239.10 : 595,858.65 = 366,912.70 : x
  2. Step 2: Convert to fraction form
    397,239.10/595,858.65 = 366,912.70/x
  3. Step 3: Cross multiply
    397,239.10x = 595,858.65 × 366,912.70
  4. Step 4: Simplify right side
    397,239.10x = 218,628,106,089.86
  5. Step 5: Solve for x
    x = 218,628,106,089.86/397,239.10
  6. Step 6: Final answer
    x = 550,369.05

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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.