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Finding the Fourth Proportional to 400,319.91, 600,334.23 and 134,017.14

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Solution

The fourth proportional to 400,319.91, 600,334.23 and 134,017.14 is: 200,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,319.91 : 600,334.23 = 134,017.14 : x
  2. Step 2: Convert to fraction form
    400,319.91/600,334.23 = 134,017.14/x
  3. Step 3: Cross multiply
    400,319.91x = 600,334.23 × 134,017.14
  4. Step 4: Simplify right side
    400,319.91x = 80,455,076,548.70
  5. Step 5: Solve for x
    x = 80,455,076,548.70/400,319.91
  6. Step 6: Final answer
    x = 200,976.96

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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.