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Finding the Fourth Proportional to 350,951.46, 484,313.01 and 189,806.51

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Solution

The fourth proportional to 350,951.46, 484,313.01 and 189,806.51 is: 261,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,951.46 : 484,313.01 = 189,806.51 : x
  2. Step 2: Convert to fraction form
    350,951.46/484,313.01 = 189,806.51/x
  3. Step 3: Cross multiply
    350,951.46x = 484,313.01 × 189,806.51
  4. Step 4: Simplify right side
    350,951.46x = 91,925,759,754.13
  5. Step 5: Solve for x
    x = 91,925,759,754.13/350,951.46
  6. Step 6: Final answer
    x = 261,932.97

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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.