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Finding the Fourth Proportional to 379,246.86, 523,076.94 and 264,531.42

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Solution

The fourth proportional to 379,246.86, 523,076.94 and 264,531.42 is: 364,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,246.86 : 523,076.94 = 264,531.42 : x
  2. Step 2: Convert to fraction form
    379,246.86/523,076.94 = 264,531.42/x
  3. Step 3: Cross multiply
    379,246.86x = 523,076.94 × 264,531.42
  4. Step 4: Simplify right side
    379,246.86x = 138,370,285,707.46
  5. Step 5: Solve for x
    x = 138,370,285,707.46/379,246.86
  6. Step 6: Final answer
    x = 364,855.46

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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.