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Finding the Fourth Proportional to 397,291.10, 595,936.65 and 366,964.70

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Solution

The fourth proportional to 397,291.10, 595,936.65 and 366,964.70 is: 550,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,291.10 : 595,936.65 = 366,964.70 : x
  2. Step 2: Convert to fraction form
    397,291.10/595,936.65 = 366,964.70/x
  3. Step 3: Cross multiply
    397,291.10x = 595,936.65 × 366,964.70
  4. Step 4: Simplify right side
    397,291.10x = 218,687,713,986.26
  5. Step 5: Solve for x
    x = 218,687,713,986.26/397,291.10
  6. Step 6: Final answer
    x = 550,447.05

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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.