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Finding the Fourth Proportional to 297,242.28, 445,878 and 119,725.32

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Solution

The fourth proportional to 297,242.28, 445,878 and 119,725.32 is: 179,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,242.28 : 445,878 = 119,725.32 : x
  2. Step 2: Convert to fraction form
    297,242.28/445,878 = 119,725.32/x
  3. Step 3: Cross multiply
    297,242.28x = 445,878 × 119,725.32
  4. Step 4: Simplify right side
    297,242.28x = 53,382,886,230.96
  5. Step 5: Solve for x
    x = 53,382,886,230.96/297,242.28
  6. Step 6: Final answer
    x = 179,593.85

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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.