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Finding the Fourth Proportional to 597,640.77, 823,950.90 and 482,790.06

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Solution

The fourth proportional to 597,640.77, 823,950.90 and 482,790.06 is: 665,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,640.77 : 823,950.90 = 482,790.06 : x
  2. Step 2: Convert to fraction form
    597,640.77/823,950.90 = 482,790.06/x
  3. Step 3: Cross multiply
    597,640.77x = 823,950.90 × 482,790.06
  4. Step 4: Simplify right side
    597,640.77x = 397,795,304,448.05
  5. Step 5: Solve for x
    x = 397,795,304,448.05/597,640.77
  6. Step 6: Final answer
    x = 665,609.38

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Double scale
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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.