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Finding the Fourth Proportional to 256,440.44, 353,869.26 and 141,717.71

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Solution

The fourth proportional to 256,440.44, 353,869.26 and 141,717.71 is: 195,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,440.44 : 353,869.26 = 141,717.71 : x
  2. Step 2: Convert to fraction form
    256,440.44/353,869.26 = 141,717.71/x
  3. Step 3: Cross multiply
    256,440.44x = 353,869.26 × 141,717.71
  4. Step 4: Simplify right side
    256,440.44x = 50,149,539,397.25
  5. Step 5: Solve for x
    x = 50,149,539,397.25/256,440.44
  6. Step 6: Final answer
    x = 195,560.19

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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.