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Finding the Fourth Proportional to 554,608.73, 831,913.08 and 180,631.73

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Solution

The fourth proportional to 554,608.73, 831,913.08 and 180,631.73 is: 270,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,608.73 : 831,913.08 = 180,631.73 : x
  2. Step 2: Convert to fraction form
    554,608.73/831,913.08 = 180,631.73/x
  3. Step 3: Cross multiply
    554,608.73x = 831,913.08 × 180,631.73
  4. Step 4: Simplify right side
    554,608.73x = 150,269,898,850.03
  5. Step 5: Solve for x
    x = 150,269,898,850.03/554,608.73
  6. Step 6: Final answer
    x = 270,947.59

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Double scale
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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.