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Finding the Fourth Proportional to 248,817, 343,412.46 and 146,836.20

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Solution

The fourth proportional to 248,817, 343,412.46 and 146,836.20 is: 202,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,817 : 343,412.46 = 146,836.20 : x
  2. Step 2: Convert to fraction form
    248,817/343,412.46 = 146,836.20/x
  3. Step 3: Cross multiply
    248,817x = 343,412.46 × 146,836.20
  4. Step 4: Simplify right side
    248,817x = 50,425,380,659.05
  5. Step 5: Solve for x
    x = 50,425,380,659.05/248,817
  6. Step 6: Final answer
    x = 202,660.51

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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.