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Finding the Fourth Proportional to 222,704.60, 334,056.90 and 198,210.20

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Solution

The fourth proportional to 222,704.60, 334,056.90 and 198,210.20 is: 297,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,704.60 : 334,056.90 = 198,210.20 : x
  2. Step 2: Convert to fraction form
    222,704.60/334,056.90 = 198,210.20/x
  3. Step 3: Cross multiply
    222,704.60x = 334,056.90 × 198,210.20
  4. Step 4: Simplify right side
    222,704.60x = 66,213,484,960.38
  5. Step 5: Solve for x
    x = 66,213,484,960.38/222,704.60
  6. Step 6: Final answer
    x = 297,315.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.