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Finding the Fourth Proportional to 323,810.30, 446,858.67 and 178,612.84

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Solution

The fourth proportional to 323,810.30, 446,858.67 and 178,612.84 is: 246,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,810.30 : 446,858.67 = 178,612.84 : x
  2. Step 2: Convert to fraction form
    323,810.30/446,858.67 = 178,612.84/x
  3. Step 3: Cross multiply
    323,810.30x = 446,858.67 × 178,612.84
  4. Step 4: Simplify right side
    323,810.30x = 79,814,696,127.32
  5. Step 5: Solve for x
    x = 79,814,696,127.32/323,810.30
  6. Step 6: Final answer
    x = 246,485.97

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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.