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Finding the Fourth Proportional to 447,996.20, 618,234.48 and 246,792.20

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Solution

The fourth proportional to 447,996.20, 618,234.48 and 246,792.20 is: 340,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,996.20 : 618,234.48 = 246,792.20 : x
  2. Step 2: Convert to fraction form
    447,996.20/618,234.48 = 246,792.20/x
  3. Step 3: Cross multiply
    447,996.20x = 618,234.48 × 246,792.20
  4. Step 4: Simplify right side
    447,996.20x = 152,575,443,726.90
  5. Step 5: Solve for x
    x = 152,575,443,726.90/447,996.20
  6. Step 6: Final answer
    x = 340,573.08

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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.