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Finding the Fourth Proportional to 400,336.92, 600,505.80 and 163,679.60

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Solution

The fourth proportional to 400,336.92, 600,505.80 and 163,679.60 is: 245,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,336.92 : 600,505.80 = 163,679.60 : x
  2. Step 2: Convert to fraction form
    400,336.92/600,505.80 = 163,679.60/x
  3. Step 3: Cross multiply
    400,336.92x = 600,505.80 × 163,679.60
  4. Step 4: Simplify right side
    400,336.92x = 98,290,549,141.68
  5. Step 5: Solve for x
    x = 98,290,549,141.68/400,336.92
  6. Step 6: Final answer
    x = 245,519.57

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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.