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Finding the Fourth Proportional to 255,250.44, 382,853.79 and 155,384.73

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Solution

The fourth proportional to 255,250.44, 382,853.79 and 155,384.73 is: 233,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,250.44 : 382,853.79 = 155,384.73 : x
  2. Step 2: Convert to fraction form
    255,250.44/382,853.79 = 155,384.73/x
  3. Step 3: Cross multiply
    255,250.44x = 382,853.79 × 155,384.73
  4. Step 4: Simplify right side
    255,250.44x = 59,489,632,788.63
  5. Step 5: Solve for x
    x = 59,489,632,788.63/255,250.44
  6. Step 6: Final answer
    x = 233,063.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.