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Finding the Fourth Proportional to 350,458.88, 483,633.12 and 189,313.94

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Solution

The fourth proportional to 350,458.88, 483,633.12 and 189,313.94 is: 261,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,458.88 : 483,633.12 = 189,313.94 : x
  2. Step 2: Convert to fraction form
    350,458.88/483,633.12 = 189,313.94/x
  3. Step 3: Cross multiply
    350,458.88x = 483,633.12 × 189,313.94
  4. Step 4: Simplify right side
    350,458.88x = 91,558,491,461.69
  5. Step 5: Solve for x
    x = 91,558,491,461.69/350,458.88
  6. Step 6: Final answer
    x = 261,253.16

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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.