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Finding the Fourth Proportional to 335,998.40, 503,997.60 and 188,235.20

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Solution

The fourth proportional to 335,998.40, 503,997.60 and 188,235.20 is: 282,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,998.40 : 503,997.60 = 188,235.20 : x
  2. Step 2: Convert to fraction form
    335,998.40/503,997.60 = 188,235.20/x
  3. Step 3: Cross multiply
    335,998.40x = 503,997.60 × 188,235.20
  4. Step 4: Simplify right side
    335,998.40x = 94,870,089,035.52
  5. Step 5: Solve for x
    x = 94,870,089,035.52/335,998.40
  6. Step 6: Final answer
    x = 282,352.80

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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.