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Finding the Fourth Proportional to 440,198.50, 607,473.93 and 238,994.50

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Solution

The fourth proportional to 440,198.50, 607,473.93 and 238,994.50 is: 329,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,198.50 : 607,473.93 = 238,994.50 : x
  2. Step 2: Convert to fraction form
    440,198.50/607,473.93 = 238,994.50/x
  3. Step 3: Cross multiply
    440,198.50x = 607,473.93 × 238,994.50
  4. Step 4: Simplify right side
    440,198.50x = 145,182,928,163.39
  5. Step 5: Solve for x
    x = 145,182,928,163.39/440,198.50
  6. Step 6: Final answer
    x = 329,812.41

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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.