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Finding the Fourth Proportional to 350,529.68, 483,731.16 and 189,384.68

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Solution

The fourth proportional to 350,529.68, 483,731.16 and 189,384.68 is: 261,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,529.68 : 483,731.16 = 189,384.68 : x
  2. Step 2: Convert to fraction form
    350,529.68/483,731.16 = 189,384.68/x
  3. Step 3: Cross multiply
    350,529.68x = 483,731.16 × 189,384.68
  4. Step 4: Simplify right side
    350,529.68x = 91,611,270,942.63
  5. Step 5: Solve for x
    x = 91,611,270,942.63/350,529.68
  6. Step 6: Final answer
    x = 261,350.97

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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.