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Finding the Fourth Proportional to 494,590.32, 682,536.60 and 268,239.60

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Solution

The fourth proportional to 494,590.32, 682,536.60 and 268,239.60 is: 370,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,590.32 : 682,536.60 = 268,239.60 : x
  2. Step 2: Convert to fraction form
    494,590.32/682,536.60 = 268,239.60/x
  3. Step 3: Cross multiply
    494,590.32x = 682,536.60 × 268,239.60
  4. Step 4: Simplify right side
    494,590.32x = 183,083,344,569.36
  5. Step 5: Solve for x
    x = 183,083,344,569.36/494,590.32
  6. Step 6: Final answer
    x = 370,171.71

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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.