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Finding the Fourth Proportional to 335,910.40, 463,521.96 and 206,828.40

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Solution

The fourth proportional to 335,910.40, 463,521.96 and 206,828.40 is: 285,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,910.40 : 463,521.96 = 206,828.40 : x
  2. Step 2: Convert to fraction form
    335,910.40/463,521.96 = 206,828.40/x
  3. Step 3: Cross multiply
    335,910.40x = 463,521.96 × 206,828.40
  4. Step 4: Simplify right side
    335,910.40x = 95,869,505,351.66
  5. Step 5: Solve for x
    x = 95,869,505,351.66/335,910.40
  6. Step 6: Final answer
    x = 285,402.02

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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.