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Finding the Fourth Proportional to 316,311.30, 473,942.05 and 222,620.22

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Solution

The fourth proportional to 316,311.30, 473,942.05 and 222,620.22 is: 333,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,311.30 : 473,942.05 = 222,620.22 : x
  2. Step 2: Convert to fraction form
    316,311.30/473,942.05 = 222,620.22/x
  3. Step 3: Cross multiply
    316,311.30x = 473,942.05 × 222,620.22
  4. Step 4: Simplify right side
    316,311.30x = 105,509,082,881.70
  5. Step 5: Solve for x
    x = 105,509,082,881.70/316,311.30
  6. Step 6: Final answer
    x = 333,560.90

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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.