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Finding the Fourth Proportional to 361,951.46, 499,492.82 and 198,609.03

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Solution

The fourth proportional to 361,951.46, 499,492.82 and 198,609.03 is: 274,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,951.46 : 499,492.82 = 198,609.03 : x
  2. Step 2: Convert to fraction form
    361,951.46/499,492.82 = 198,609.03/x
  3. Step 3: Cross multiply
    361,951.46x = 499,492.82 × 198,609.03
  4. Step 4: Simplify right side
    361,951.46x = 99,203,783,479.12
  5. Step 5: Solve for x
    x = 99,203,783,479.12/361,951.46
  6. Step 6: Final answer
    x = 274,080.36

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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.