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Finding the Fourth Proportional to 350,952.49, 484,314.43 and 189,807.54

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Solution

The fourth proportional to 350,952.49, 484,314.43 and 189,807.54 is: 261,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,952.49 : 484,314.43 = 189,807.54 : x
  2. Step 2: Convert to fraction form
    350,952.49/484,314.43 = 189,807.54/x
  3. Step 3: Cross multiply
    350,952.49x = 484,314.43 × 189,807.54
  4. Step 4: Simplify right side
    350,952.49x = 91,926,530,544.80
  5. Step 5: Solve for x
    x = 91,926,530,544.80/350,952.49
  6. Step 6: Final answer
    x = 261,934.40

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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.