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Finding the Fourth Proportional to 256,224.44, 353,012.90 and 178,627.26

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Solution

The fourth proportional to 256,224.44, 353,012.90 and 178,627.26 is: 246,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,224.44 : 353,012.90 = 178,627.26 : x
  2. Step 2: Convert to fraction form
    256,224.44/353,012.90 = 178,627.26/x
  3. Step 3: Cross multiply
    256,224.44x = 353,012.90 × 178,627.26
  4. Step 4: Simplify right side
    256,224.44x = 63,057,727,071.65
  5. Step 5: Solve for x
    x = 63,057,727,071.65/256,224.44
  6. Step 6: Final answer
    x = 246,103.48

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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.