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Finding the Fourth Proportional to 298,453.36, 411,863.13 and 162,486.96

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Solution

The fourth proportional to 298,453.36, 411,863.13 and 162,486.96 is: 224,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,453.36 : 411,863.13 = 162,486.96 : x
  2. Step 2: Convert to fraction form
    298,453.36/411,863.13 = 162,486.96/x
  3. Step 3: Cross multiply
    298,453.36x = 411,863.13 × 162,486.96
  4. Step 4: Simplify right side
    298,453.36x = 66,922,388,702.03
  5. Step 5: Solve for x
    x = 66,922,388,702.03/298,453.36
  6. Step 6: Final answer
    x = 224,230.64

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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.