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Finding the Fourth Proportional to 505,793.55, 759,115.98 and 252,998.22

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Solution

The fourth proportional to 505,793.55, 759,115.98 and 252,998.22 is: 379,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,793.55 : 759,115.98 = 252,998.22 : x
  2. Step 2: Convert to fraction form
    505,793.55/759,115.98 = 252,998.22/x
  3. Step 3: Cross multiply
    505,793.55x = 759,115.98 × 252,998.22
  4. Step 4: Simplify right side
    505,793.55x = 192,054,991,713.56
  5. Step 5: Solve for x
    x = 192,054,991,713.56/505,793.55
  6. Step 6: Final answer
    x = 379,710.24

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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.