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Finding the Fourth Proportional to 495,792.86, 743,170.28 and 207,769.41

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Solution

The fourth proportional to 495,792.86, 743,170.28 and 207,769.41 is: 311,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,792.86 : 743,170.28 = 207,769.41 : x
  2. Step 2: Convert to fraction form
    495,792.86/743,170.28 = 207,769.41/x
  3. Step 3: Cross multiply
    495,792.86x = 743,170.28 × 207,769.41
  4. Step 4: Simplify right side
    495,792.86x = 154,408,049,566.29
  5. Step 5: Solve for x
    x = 154,408,049,566.29/495,792.86
  6. Step 6: Final answer
    x = 311,436.62

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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.