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Finding the Fourth Proportional to 300,617.26, 414,652.23 and 193,323.04

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Solution

The fourth proportional to 300,617.26, 414,652.23 and 193,323.04 is: 266,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,617.26 : 414,652.23 = 193,323.04 : x
  2. Step 2: Convert to fraction form
    300,617.26/414,652.23 = 193,323.04/x
  3. Step 3: Cross multiply
    300,617.26x = 414,652.23 × 193,323.04
  4. Step 4: Simplify right side
    300,617.26x = 80,161,828,609.75
  5. Step 5: Solve for x
    x = 80,161,828,609.75/300,617.26
  6. Step 6: Final answer
    x = 266,657.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.