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Finding the Fourth Proportional to 479,936.63, 662,255.88 and 265,063.88

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Solution

The fourth proportional to 479,936.63, 662,255.88 and 265,063.88 is: 365,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,936.63 : 662,255.88 = 265,063.88 : x
  2. Step 2: Convert to fraction form
    479,936.63/662,255.88 = 265,063.88/x
  3. Step 3: Cross multiply
    479,936.63x = 662,255.88 × 265,063.88
  4. Step 4: Simplify right side
    479,936.63x = 175,540,109,794.34
  5. Step 5: Solve for x
    x = 175,540,109,794.34/479,936.63
  6. Step 6: Final answer
    x = 365,756.85

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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.