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Finding the Fourth Proportional to 254,376.96, 350,839.90 and 225,336.39

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Solution

The fourth proportional to 254,376.96, 350,839.90 and 225,336.39 is: 310,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,376.96 : 350,839.90 = 225,336.39 : x
  2. Step 2: Convert to fraction form
    254,376.96/350,839.90 = 225,336.39/x
  3. Step 3: Cross multiply
    254,376.96x = 350,839.90 × 225,336.39
  4. Step 4: Simplify right side
    254,376.96x = 79,056,996,533.96
  5. Step 5: Solve for x
    x = 79,056,996,533.96/254,376.96
  6. Step 6: Final answer
    x = 310,786.78

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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.