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Finding the Fourth Proportional to 608,405.50, 839,578.44 and 350,273.89

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Solution

The fourth proportional to 608,405.50, 839,578.44 and 350,273.89 is: 483,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,405.50 : 839,578.44 = 350,273.89 : x
  2. Step 2: Convert to fraction form
    608,405.50/839,578.44 = 350,273.89/x
  3. Step 3: Cross multiply
    608,405.50x = 839,578.44 × 350,273.89
  4. Step 4: Simplify right side
    608,405.50x = 294,082,406,138.93
  5. Step 5: Solve for x
    x = 294,082,406,138.93/608,405.50
  6. Step 6: Final answer
    x = 483,365.79

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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.