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Finding the Fourth Proportional to 308,950.20, 462,647.70 and 203,196.60

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Solution

The fourth proportional to 308,950.20, 462,647.70 and 203,196.60 is: 304,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,950.20 : 462,647.70 = 203,196.60 : x
  2. Step 2: Convert to fraction form
    308,950.20/462,647.70 = 203,196.60/x
  3. Step 3: Cross multiply
    308,950.20x = 462,647.70 × 203,196.60
  4. Step 4: Simplify right side
    308,950.20x = 94,008,439,637.82
  5. Step 5: Solve for x
    x = 94,008,439,637.82/308,950.20
  6. Step 6: Final answer
    x = 304,283.47

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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.