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Finding the Fourth Proportional to 322,606.17, 483,857.42 and 100,990.17

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Solution

The fourth proportional to 322,606.17, 483,857.42 and 100,990.17 is: 151,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,606.17 : 483,857.42 = 100,990.17 : x
  2. Step 2: Convert to fraction form
    322,606.17/483,857.42 = 100,990.17/x
  3. Step 3: Cross multiply
    322,606.17x = 483,857.42 × 100,990.17
  4. Step 4: Simplify right side
    322,606.17x = 48,864,842,596.61
  5. Step 5: Solve for x
    x = 48,864,842,596.61/322,606.17
  6. Step 6: Final answer
    x = 151,469.03

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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.