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Finding the Fourth Proportional to 447,996.45, 618,234.83 and 246,792.45

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Solution

The fourth proportional to 447,996.45, 618,234.83 and 246,792.45 is: 340,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,996.45 : 618,234.83 = 246,792.45 : x
  2. Step 2: Convert to fraction form
    447,996.45/618,234.83 = 246,792.45/x
  3. Step 3: Cross multiply
    447,996.45x = 618,234.83 × 246,792.45
  4. Step 4: Simplify right side
    447,996.45x = 152,575,684,045.90
  5. Step 5: Solve for x
    x = 152,575,684,045.90/447,996.45
  6. Step 6: Final answer
    x = 340,573.43

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1.5x scale

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.