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Finding the Fourth Proportional to 247,612.23, 371,630.43 and 245,748.42

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Solution

The fourth proportional to 247,612.23, 371,630.43 and 245,748.42 is: 368,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,612.23 : 371,630.43 = 245,748.42 : x
  2. Step 2: Convert to fraction form
    247,612.23/371,630.43 = 245,748.42/x
  3. Step 3: Cross multiply
    247,612.23x = 371,630.43 × 245,748.42
  4. Step 4: Simplify right side
    247,612.23x = 91,327,590,996.42
  5. Step 5: Solve for x
    x = 91,327,590,996.42/247,612.23
  6. Step 6: Final answer
    x = 368,833.12

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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.