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Finding the Fourth Proportional to 323,313.01, 446,171.63 and 187,425.65

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Solution

The fourth proportional to 323,313.01, 446,171.63 and 187,425.65 is: 258,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,313.01 : 446,171.63 = 187,425.65 : x
  2. Step 2: Convert to fraction form
    323,313.01/446,171.63 = 187,425.65/x
  3. Step 3: Cross multiply
    323,313.01x = 446,171.63 × 187,425.65
  4. Step 4: Simplify right side
    323,313.01x = 83,624,007,942.61
  5. Step 5: Solve for x
    x = 83,624,007,942.61/323,313.01
  6. Step 6: Final answer
    x = 258,647.21

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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.