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Finding the Fourth Proportional to 300,392.80, 449,714.40 and 182,003.20

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Solution

The fourth proportional to 300,392.80, 449,714.40 and 182,003.20 is: 272,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,392.80 : 449,714.40 = 182,003.20 : x
  2. Step 2: Convert to fraction form
    300,392.80/449,714.40 = 182,003.20/x
  3. Step 3: Cross multiply
    300,392.80x = 449,714.40 × 182,003.20
  4. Step 4: Simplify right side
    300,392.80x = 81,849,459,886.08
  5. Step 5: Solve for x
    x = 81,849,459,886.08/300,392.80
  6. Step 6: Final answer
    x = 272,474.77

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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.