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Finding the Fourth Proportional to 323,683.16, 446,709.35 and 178,517.34

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Solution

The fourth proportional to 323,683.16, 446,709.35 and 178,517.34 is: 246,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,683.16 : 446,709.35 = 178,517.34 : x
  2. Step 2: Convert to fraction form
    323,683.16/446,709.35 = 178,517.34/x
  3. Step 3: Cross multiply
    323,683.16x = 446,709.35 × 178,517.34
  4. Step 4: Simplify right side
    323,683.16x = 79,745,365,696.66
  5. Step 5: Solve for x
    x = 79,745,365,696.66/323,683.16
  6. Step 6: Final answer
    x = 246,368.59

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1.5x scale

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.