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Finding the Fourth Proportional to 323,328.62, 446,193.62 and 187,441.34

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Solution

The fourth proportional to 323,328.62, 446,193.62 and 187,441.34 is: 258,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,328.62 : 446,193.62 = 187,441.34 : x
  2. Step 2: Convert to fraction form
    323,328.62/446,193.62 = 187,441.34/x
  3. Step 3: Cross multiply
    323,328.62x = 446,193.62 × 187,441.34
  4. Step 4: Simplify right side
    323,328.62x = 83,635,126,864.08
  5. Step 5: Solve for x
    x = 83,635,126,864.08/323,328.62
  6. Step 6: Final answer
    x = 258,669.12

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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.