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Finding the Fourth Proportional to 300,671.52, 414,825.60 and 173,344.32

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Solution

The fourth proportional to 300,671.52, 414,825.60 and 173,344.32 is: 239,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,671.52 : 414,825.60 = 173,344.32 : x
  2. Step 2: Convert to fraction form
    300,671.52/414,825.60 = 173,344.32/x
  3. Step 3: Cross multiply
    300,671.52x = 414,825.60 × 173,344.32
  4. Step 4: Simplify right side
    300,671.52x = 71,907,661,550.59
  5. Step 5: Solve for x
    x = 71,907,661,550.59/300,671.52
  6. Step 6: Final answer
    x = 239,156.88

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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.