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Finding the Fourth Proportional to 256,494.62, 353,951.61 and 141,767.39

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Solution

The fourth proportional to 256,494.62, 353,951.61 and 141,767.39 is: 195,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,494.62 : 353,951.61 = 141,767.39 : x
  2. Step 2: Convert to fraction form
    256,494.62/353,951.61 = 141,767.39/x
  3. Step 3: Cross multiply
    256,494.62x = 353,951.61 × 141,767.39
  4. Step 4: Simplify right side
    256,494.62x = 50,178,794,166.24
  5. Step 5: Solve for x
    x = 50,178,794,166.24/256,494.62
  6. Step 6: Final answer
    x = 195,632.93

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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.