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Finding the Fourth Proportional to 329,674.38, 454,950.90 and 178,771.38

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Solution

The fourth proportional to 329,674.38, 454,950.90 and 178,771.38 is: 246,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,674.38 : 454,950.90 = 178,771.38 : x
  2. Step 2: Convert to fraction form
    329,674.38/454,950.90 = 178,771.38/x
  3. Step 3: Cross multiply
    329,674.38x = 454,950.90 × 178,771.38
  4. Step 4: Simplify right side
    329,674.38x = 81,332,200,225.24
  5. Step 5: Solve for x
    x = 81,332,200,225.24/329,674.38
  6. Step 6: Final answer
    x = 246,704.64

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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.