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Finding the Fourth Proportional to 330,755.76, 456,452.28 and 194,798.88

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Solution

The fourth proportional to 330,755.76, 456,452.28 and 194,798.88 is: 268,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,755.76 : 456,452.28 = 194,798.88 : x
  2. Step 2: Convert to fraction form
    330,755.76/456,452.28 = 194,798.88/x
  3. Step 3: Cross multiply
    330,755.76x = 456,452.28 × 194,798.88
  4. Step 4: Simplify right side
    330,755.76x = 88,916,392,917.45
  5. Step 5: Solve for x
    x = 88,916,392,917.45/330,755.76
  6. Step 6: Final answer
    x = 268,827.95

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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.