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Finding the Fourth Proportional to 350,457.88, 483,631.74 and 189,312.94

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Solution

The fourth proportional to 350,457.88, 483,631.74 and 189,312.94 is: 261,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,457.88 : 483,631.74 = 189,312.94 : x
  2. Step 2: Convert to fraction form
    350,457.88/483,631.74 = 189,312.94/x
  3. Step 3: Cross multiply
    350,457.88x = 483,631.74 × 189,312.94
  4. Step 4: Simplify right side
    350,457.88x = 91,557,746,576.72
  5. Step 5: Solve for x
    x = 91,557,746,576.72/350,457.88
  6. Step 6: Final answer
    x = 261,251.78

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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.