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Finding the Fourth Proportional to 400,181.04, 600,120.90 and 163,396.98

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Solution

The fourth proportional to 400,181.04, 600,120.90 and 163,396.98 is: 245,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,181.04 : 600,120.90 = 163,396.98 : x
  2. Step 2: Convert to fraction form
    400,181.04/600,120.90 = 163,396.98/x
  3. Step 3: Cross multiply
    400,181.04x = 600,120.90 × 163,396.98
  4. Step 4: Simplify right side
    400,181.04x = 98,057,942,694.88
  5. Step 5: Solve for x
    x = 98,057,942,694.88/400,181.04
  6. Step 6: Final answer
    x = 245,033.95

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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.