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Finding the Fourth Proportional to 519,236.44, 778,860.90 and 182,285.56

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Solution

The fourth proportional to 519,236.44, 778,860.90 and 182,285.56 is: 273,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,236.44 : 778,860.90 = 182,285.56 : x
  2. Step 2: Convert to fraction form
    519,236.44/778,860.90 = 182,285.56/x
  3. Step 3: Cross multiply
    519,236.44x = 778,860.90 × 182,285.56
  4. Step 4: Simplify right side
    519,236.44x = 141,975,095,318.60
  5. Step 5: Solve for x
    x = 141,975,095,318.60/519,236.44
  6. Step 6: Final answer
    x = 273,430.53

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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.