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Finding the Fourth Proportional to 493,785.36, 740,561.40 and 227,379.60

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Solution

The fourth proportional to 493,785.36, 740,561.40 and 227,379.60 is: 341,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,785.36 : 740,561.40 = 227,379.60 : x
  2. Step 2: Convert to fraction form
    493,785.36/740,561.40 = 227,379.60/x
  3. Step 3: Cross multiply
    493,785.36x = 740,561.40 × 227,379.60
  4. Step 4: Simplify right side
    493,785.36x = 168,388,554,907.44
  5. Step 5: Solve for x
    x = 168,388,554,907.44/493,785.36
  6. Step 6: Final answer
    x = 341,015.69

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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.