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Finding the Fourth Proportional to 330,757.92, 456,390.58 and 194,818.92

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Solution

The fourth proportional to 330,757.92, 456,390.58 and 194,818.92 is: 268,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,757.92 : 456,390.58 = 194,818.92 : x
  2. Step 2: Convert to fraction form
    330,757.92/456,390.58 = 194,818.92/x
  3. Step 3: Cross multiply
    330,757.92x = 456,390.58 × 194,818.92
  4. Step 4: Simplify right side
    330,757.92x = 88,913,519,893.77
  5. Step 5: Solve for x
    x = 88,913,519,893.77/330,757.92
  6. Step 6: Final answer
    x = 268,817.51

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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.