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Finding the Fourth Proportional to 300,788.80, 415,088.46 and 179,935.16

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Solution

The fourth proportional to 300,788.80, 415,088.46 and 179,935.16 is: 248,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,788.80 : 415,088.46 = 179,935.16 : x
  2. Step 2: Convert to fraction form
    300,788.80/415,088.46 = 179,935.16/x
  3. Step 3: Cross multiply
    300,788.80x = 415,088.46 × 179,935.16
  4. Step 4: Simplify right side
    300,788.80x = 74,689,008,464.25
  5. Step 5: Solve for x
    x = 74,689,008,464.25/300,788.80
  6. Step 6: Final answer
    x = 248,310.47

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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.