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Finding the Fourth Proportional to 300,348.52, 414,439.96 and 179,464.28

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Solution

The fourth proportional to 300,348.52, 414,439.96 and 179,464.28 is: 247,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,348.52 : 414,439.96 = 179,464.28 : x
  2. Step 2: Convert to fraction form
    300,348.52/414,439.96 = 179,464.28/x
  3. Step 3: Cross multiply
    300,348.52x = 414,439.96 × 179,464.28
  4. Step 4: Simplify right side
    300,348.52x = 74,377,169,024.63
  5. Step 5: Solve for x
    x = 74,377,169,024.63/300,348.52
  6. Step 6: Final answer
    x = 247,636.21

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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.