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Finding the Fourth Proportional to 479,772.58, 662,112.09 and 264,911.98

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Solution

The fourth proportional to 479,772.58, 662,112.09 and 264,911.98 is: 365,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,772.58 : 662,112.09 = 264,911.98 : x
  2. Step 2: Convert to fraction form
    479,772.58/662,112.09 = 264,911.98/x
  3. Step 3: Cross multiply
    479,772.58x = 662,112.09 × 264,911.98
  4. Step 4: Simplify right side
    479,772.58x = 175,401,424,743.84
  5. Step 5: Solve for x
    x = 175,401,424,743.84/479,772.58
  6. Step 6: Final answer
    x = 365,592.85

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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.