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Finding the Fourth Proportional to 335,972.20, 503,958.30 and 310,311.40

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Solution

The fourth proportional to 335,972.20, 503,958.30 and 310,311.40 is: 465,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,972.20 : 503,958.30 = 310,311.40 : x
  2. Step 2: Convert to fraction form
    335,972.20/503,958.30 = 310,311.40/x
  3. Step 3: Cross multiply
    335,972.20x = 503,958.30 × 310,311.40
  4. Step 4: Simplify right side
    335,972.20x = 156,384,005,614.62
  5. Step 5: Solve for x
    x = 156,384,005,614.62/335,972.20
  6. Step 6: Final answer
    x = 465,467.10

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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.