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Finding the Fourth Proportional to 336,534.27, 504,896.78 and 136,997.79

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Solution

The fourth proportional to 336,534.27, 504,896.78 and 136,997.79 is: 205,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,534.27 : 504,896.78 = 136,997.79 : x
  2. Step 2: Convert to fraction form
    336,534.27/504,896.78 = 136,997.79/x
  3. Step 3: Cross multiply
    336,534.27x = 504,896.78 × 136,997.79
  4. Step 4: Simplify right side
    336,534.27x = 69,169,743,038.12
  5. Step 5: Solve for x
    x = 69,169,743,038.12/336,534.27
  6. Step 6: Final answer
    x = 205,535.51

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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.