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Finding the Fourth Proportional to 330,851.56, 456,495.56 and 194,874.83

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Solution

The fourth proportional to 330,851.56, 456,495.56 and 194,874.83 is: 268,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,851.56 : 456,495.56 = 194,874.83 : x
  2. Step 2: Convert to fraction form
    330,851.56/456,495.56 = 194,874.83/x
  3. Step 3: Cross multiply
    330,851.56x = 456,495.56 × 194,874.83
  4. Step 4: Simplify right side
    330,851.56x = 88,959,494,817.62
  5. Step 5: Solve for x
    x = 88,959,494,817.62/330,851.56
  6. Step 6: Final answer
    x = 268,880.39

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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.