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Finding the Fourth Proportional to 335,679.12, 503,520.21 and 136,003.32

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Solution

The fourth proportional to 335,679.12, 503,520.21 and 136,003.32 is: 204,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,679.12 : 503,520.21 = 136,003.32 : x
  2. Step 2: Convert to fraction form
    335,679.12/503,520.21 = 136,003.32/x
  3. Step 3: Cross multiply
    335,679.12x = 503,520.21 × 136,003.32
  4. Step 4: Simplify right side
    335,679.12x = 68,480,420,247.10
  5. Step 5: Solve for x
    x = 68,480,420,247.10/335,679.12
  6. Step 6: Final answer
    x = 204,005.60

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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.