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Finding the Fourth Proportional to 350,959.31, 484,323.84 and 189,814.37

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Solution

The fourth proportional to 350,959.31, 484,323.84 and 189,814.37 is: 261,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,959.31 : 484,323.84 = 189,814.37 : x
  2. Step 2: Convert to fraction form
    350,959.31/484,323.84 = 189,814.37/x
  3. Step 3: Cross multiply
    350,959.31x = 484,323.84 × 189,814.37
  4. Step 4: Simplify right side
    350,959.31x = 91,931,624,565.58
  5. Step 5: Solve for x
    x = 91,931,624,565.58/350,959.31
  6. Step 6: Final answer
    x = 261,943.83

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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.