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Finding the Fourth Proportional to 450,287.48, 675,431.09 and 169,739.12

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Solution

The fourth proportional to 450,287.48, 675,431.09 and 169,739.12 is: 254,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,287.48 : 675,431.09 = 169,739.12 : x
  2. Step 2: Convert to fraction form
    450,287.48/675,431.09 = 169,739.12/x
  3. Step 3: Cross multiply
    450,287.48x = 675,431.09 × 169,739.12
  4. Step 4: Simplify right side
    450,287.48x = 114,647,077,988.55
  5. Step 5: Solve for x
    x = 114,647,077,988.55/450,287.48
  6. Step 6: Final answer
    x = 254,608.63

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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.