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Finding the Fourth Proportional to 316,311.68, 473,942.63 and 222,620.60

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Solution

The fourth proportional to 316,311.68, 473,942.63 and 222,620.60 is: 333,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,311.68 : 473,942.63 = 222,620.60 : x
  2. Step 2: Convert to fraction form
    316,311.68/473,942.63 = 222,620.60/x
  3. Step 3: Cross multiply
    316,311.68x = 473,942.63 × 222,620.60
  4. Step 4: Simplify right side
    316,311.68x = 105,509,389,173.36
  5. Step 5: Solve for x
    x = 105,509,389,173.36/316,311.68
  6. Step 6: Final answer
    x = 333,561.48

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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.