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Finding the Fourth Proportional to 505,100.39, 757,683.39 and 150,084.68

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Solution

The fourth proportional to 505,100.39, 757,683.39 and 150,084.68 is: 225,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,100.39 : 757,683.39 = 150,084.68 : x
  2. Step 2: Convert to fraction form
    505,100.39/757,683.39 = 150,084.68/x
  3. Step 3: Cross multiply
    505,100.39x = 757,683.39 × 150,084.68
  4. Step 4: Simplify right side
    505,100.39x = 113,716,665,341.05
  5. Step 5: Solve for x
    x = 113,716,665,341.05/505,100.39
  6. Step 6: Final answer
    x = 225,136.76

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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.