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Finding the Fourth Proportional to 505,151.44, 697,110.46 and 275,710.84

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Solution

The fourth proportional to 505,151.44, 697,110.46 and 275,710.84 is: 380,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,151.44 : 697,110.46 = 275,710.84 : x
  2. Step 2: Convert to fraction form
    505,151.44/697,110.46 = 275,710.84/x
  3. Step 3: Cross multiply
    505,151.44x = 697,110.46 × 275,710.84
  4. Step 4: Simplify right side
    505,151.44x = 192,200,910,499.39
  5. Step 5: Solve for x
    x = 192,200,910,499.39/505,151.44
  6. Step 6: Final answer
    x = 380,481.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.