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Finding the Fourth Proportional to 330,755.94, 456,429.74 and 194,795.55

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Solution

The fourth proportional to 330,755.94, 456,429.74 and 194,795.55 is: 268,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,755.94 : 456,429.74 = 194,795.55 : x
  2. Step 2: Convert to fraction form
    330,755.94/456,429.74 = 194,795.55/x
  3. Step 3: Cross multiply
    330,755.94x = 456,429.74 × 194,795.55
  4. Step 4: Simplify right side
    330,755.94x = 88,910,481,265.68
  5. Step 5: Solve for x
    x = 88,910,481,265.68/330,755.94
  6. Step 6: Final answer
    x = 268,809.93

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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.