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Finding the Fourth Proportional to 504,273.75, 756,410.63 and 188,879.19

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Solution

The fourth proportional to 504,273.75, 756,410.63 and 188,879.19 is: 283,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,273.75 : 756,410.63 = 188,879.19 : x
  2. Step 2: Convert to fraction form
    504,273.75/756,410.63 = 188,879.19/x
  3. Step 3: Cross multiply
    504,273.75x = 756,410.63 × 188,879.19
  4. Step 4: Simplify right side
    504,273.75x = 142,870,226,157.39
  5. Step 5: Solve for x
    x = 142,870,226,157.39/504,273.75
  6. Step 6: Final answer
    x = 283,318.79

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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.