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Finding the Fourth Proportional to 256,078.44, 353,539.62 and 184,642.92

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Solution

The fourth proportional to 256,078.44, 353,539.62 and 184,642.92 is: 254,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,078.44 : 353,539.62 = 184,642.92 : x
  2. Step 2: Convert to fraction form
    256,078.44/353,539.62 = 184,642.92/x
  3. Step 3: Cross multiply
    256,078.44x = 353,539.62 × 184,642.92
  4. Step 4: Simplify right side
    256,078.44x = 65,278,587,772.49
  5. Step 5: Solve for x
    x = 65,278,587,772.49/256,078.44
  6. Step 6: Final answer
    x = 254,916.38

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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.