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Finding the Fourth Proportional to 320,758.58, 442,745.51 and 184,883.34

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Solution

The fourth proportional to 320,758.58, 442,745.51 and 184,883.34 is: 255,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,758.58 : 442,745.51 = 184,883.34 : x
  2. Step 2: Convert to fraction form
    320,758.58/442,745.51 = 184,883.34/x
  3. Step 3: Cross multiply
    320,758.58x = 442,745.51 × 184,883.34
  4. Step 4: Simplify right side
    320,758.58x = 81,856,268,720.76
  5. Step 5: Solve for x
    x = 81,856,268,720.76/320,758.58
  6. Step 6: Final answer
    x = 255,195.89

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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.