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Finding the Fourth Proportional to 400,169.82, 600,255.74 and 163,512.50

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Solution

The fourth proportional to 400,169.82, 600,255.74 and 163,512.50 is: 245,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,169.82 : 600,255.74 = 163,512.50 : x
  2. Step 2: Convert to fraction form
    400,169.82/600,255.74 = 163,512.50/x
  3. Step 3: Cross multiply
    400,169.82x = 600,255.74 × 163,512.50
  4. Step 4: Simplify right side
    400,169.82x = 98,149,315,322.59
  5. Step 5: Solve for x
    x = 98,149,315,322.59/400,169.82
  6. Step 6: Final answer
    x = 245,269.16

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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.