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Finding the Fourth Proportional to 335,999.70, 504,229.95 and 149,145.30

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Solution

The fourth proportional to 335,999.70, 504,229.95 and 149,145.30 is: 223,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,999.70 : 504,229.95 = 149,145.30 : x
  2. Step 2: Convert to fraction form
    335,999.70/504,229.95 = 149,145.30/x
  3. Step 3: Cross multiply
    335,999.70x = 504,229.95 × 149,145.30
  4. Step 4: Simplify right side
    335,999.70x = 75,203,527,161.74
  5. Step 5: Solve for x
    x = 75,203,527,161.74/335,999.70
  6. Step 6: Final answer
    x = 223,820.22

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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.