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Finding the Fourth Proportional to 350,855.42, 484,180.82 and 189,710.43

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Solution

The fourth proportional to 350,855.42, 484,180.82 and 189,710.43 is: 261,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,855.42 : 484,180.82 = 189,710.43 : x
  2. Step 2: Convert to fraction form
    350,855.42/484,180.82 = 189,710.43/x
  3. Step 3: Cross multiply
    350,855.42x = 484,180.82 × 189,710.43
  4. Step 4: Simplify right side
    350,855.42x = 91,854,151,559.95
  5. Step 5: Solve for x
    x = 91,854,151,559.95/350,855.42
  6. Step 6: Final answer
    x = 261,800.58

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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.