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Finding the Fourth Proportional to 441,996.40, 662,994.60 and 161,477.20

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Solution

The fourth proportional to 441,996.40, 662,994.60 and 161,477.20 is: 242,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,996.40 : 662,994.60 = 161,477.20 : x
  2. Step 2: Convert to fraction form
    441,996.40/662,994.60 = 161,477.20/x
  3. Step 3: Cross multiply
    441,996.40x = 662,994.60 × 161,477.20
  4. Step 4: Simplify right side
    441,996.40x = 107,058,511,623.12
  5. Step 5: Solve for x
    x = 107,058,511,623.12/441,996.40
  6. Step 6: Final answer
    x = 242,215.80

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1.5x scale

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.