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Finding the Fourth Proportional to 255,327.37, 382,991.16 and 254,958.42

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Solution

The fourth proportional to 255,327.37, 382,991.16 and 254,958.42 is: 382,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,327.37 : 382,991.16 = 254,958.42 : x
  2. Step 2: Convert to fraction form
    255,327.37/382,991.16 = 254,958.42/x
  3. Step 3: Cross multiply
    255,327.37x = 382,991.16 × 254,958.42
  4. Step 4: Simplify right side
    255,327.37x = 97,646,821,027.57
  5. Step 5: Solve for x
    x = 97,646,821,027.57/255,327.37
  6. Step 6: Final answer
    x = 382,437.73

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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.