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Finding the Fourth Proportional to 554,608.04, 831,912.05 and 180,631.04

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Solution

The fourth proportional to 554,608.04, 831,912.05 and 180,631.04 is: 270,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,608.04 : 831,912.05 = 180,631.04 : x
  2. Step 2: Convert to fraction form
    554,608.04/831,912.05 = 180,631.04/x
  3. Step 3: Cross multiply
    554,608.04x = 831,912.05 × 180,631.04
  4. Step 4: Simplify right side
    554,608.04x = 150,269,135,072.05
  5. Step 5: Solve for x
    x = 150,269,135,072.05/554,608.04
  6. Step 6: Final answer
    x = 270,946.55

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Similar ratio
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1.5x scale

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.