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Finding the Fourth Proportional to 354,179, 488,797.74 and 195,233.72

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Solution

The fourth proportional to 354,179, 488,797.74 and 195,233.72 is: 269,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,179 : 488,797.74 = 195,233.72 : x
  2. Step 2: Convert to fraction form
    354,179/488,797.74 = 195,233.72/x
  3. Step 3: Cross multiply
    354,179x = 488,797.74 × 195,233.72
  4. Step 4: Simplify right side
    354,179x = 95,429,801,107.79
  5. Step 5: Solve for x
    x = 95,429,801,107.79/354,179
  6. Step 6: Final answer
    x = 269,439.47

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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.