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Finding the Fourth Proportional to 341,393.96, 512,050.56 and 214,659.92

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Solution

The fourth proportional to 341,393.96, 512,050.56 and 214,659.92 is: 321,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,393.96 : 512,050.56 = 214,659.92 : x
  2. Step 2: Convert to fraction form
    341,393.96/512,050.56 = 214,659.92/x
  3. Step 3: Cross multiply
    341,393.96x = 512,050.56 × 214,659.92
  4. Step 4: Simplify right side
    341,393.96x = 109,916,732,245.56
  5. Step 5: Solve for x
    x = 109,916,732,245.56/341,393.96
  6. Step 6: Final answer
    x = 321,964.49

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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.