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Finding the Fourth Proportional to 323,493.68, 446,421.31 and 187,606.46

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Solution

The fourth proportional to 323,493.68, 446,421.31 and 187,606.46 is: 258,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,493.68 : 446,421.31 = 187,606.46 : x
  2. Step 2: Convert to fraction form
    323,493.68/446,421.31 = 187,606.46/x
  3. Step 3: Cross multiply
    323,493.68x = 446,421.31 × 187,606.46
  4. Step 4: Simplify right side
    323,493.68x = 83,751,522,284.70
  5. Step 5: Solve for x
    x = 83,751,522,284.70/323,493.68
  6. Step 6: Final answer
    x = 258,896.93

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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.