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Finding the Fourth Proportional to 393,683.49, 589,637.42 and 182,877.81

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Solution

The fourth proportional to 393,683.49, 589,637.42 and 182,877.81 is: 273,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,683.49 : 589,637.42 = 182,877.81 : x
  2. Step 2: Convert to fraction form
    393,683.49/589,637.42 = 182,877.81/x
  3. Step 3: Cross multiply
    393,683.49x = 589,637.42 × 182,877.81
  4. Step 4: Simplify right side
    393,683.49x = 107,831,599,149.26
  5. Step 5: Solve for x
    x = 107,831,599,149.26/393,683.49
  6. Step 6: Final answer
    x = 273,904.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.