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Finding the Fourth Proportional to 263,383.37, 363,405.80 and 160,015.49

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Solution

The fourth proportional to 263,383.37, 363,405.80 and 160,015.49 is: 220,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,383.37 : 363,405.80 = 160,015.49 : x
  2. Step 2: Convert to fraction form
    263,383.37/363,405.80 = 160,015.49/x
  3. Step 3: Cross multiply
    263,383.37x = 363,405.80 × 160,015.49
  4. Step 4: Simplify right side
    263,383.37x = 58,150,554,538.74
  5. Step 5: Solve for x
    x = 58,150,554,538.74/263,383.37
  6. Step 6: Final answer
    x = 220,782.94

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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.