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Finding the Fourth Proportional to 329,044.53, 454,039.70 and 193,028.85

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Solution

The fourth proportional to 329,044.53, 454,039.70 and 193,028.85 is: 266,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,044.53 : 454,039.70 = 193,028.85 : x
  2. Step 2: Convert to fraction form
    329,044.53/454,039.70 = 193,028.85/x
  3. Step 3: Cross multiply
    329,044.53x = 454,039.70 × 193,028.85
  4. Step 4: Simplify right side
    329,044.53x = 87,642,761,627.92
  5. Step 5: Solve for x
    x = 87,642,761,627.92/329,044.53
  6. Step 6: Final answer
    x = 266,355.32

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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.