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Finding the Fourth Proportional to 329,311.74, 454,450.66 and 178,408.74

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Solution

The fourth proportional to 329,311.74, 454,450.66 and 178,408.74 is: 246,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,311.74 : 454,450.66 = 178,408.74 : x
  2. Step 2: Convert to fraction form
    329,311.74/454,450.66 = 178,408.74/x
  3. Step 3: Cross multiply
    329,311.74x = 454,450.66 × 178,408.74
  4. Step 4: Simplify right side
    329,311.74x = 81,077,969,642.77
  5. Step 5: Solve for x
    x = 81,077,969,642.77/329,311.74
  6. Step 6: Final answer
    x = 246,204.31

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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.