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Finding the Fourth Proportional to 323,346.96, 446,219.28 and 187,407.36

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Solution

The fourth proportional to 323,346.96, 446,219.28 and 187,407.36 is: 258,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,346.96 : 446,219.28 = 187,407.36 : x
  2. Step 2: Convert to fraction form
    323,346.96/446,219.28 = 187,407.36/x
  3. Step 3: Cross multiply
    323,346.96x = 446,219.28 × 187,407.36
  4. Step 4: Simplify right side
    323,346.96x = 83,624,777,245.90
  5. Step 5: Solve for x
    x = 83,624,777,245.90/323,346.96
  6. Step 6: Final answer
    x = 258,622.43

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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.