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Finding the Fourth Proportional to 366,964.60, 550,446.90 and 219,508.60

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Solution

The fourth proportional to 366,964.60, 550,446.90 and 219,508.60 is: 329,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.60 : 550,446.90 = 219,508.60 : x
  2. Step 2: Convert to fraction form
    366,964.60/550,446.90 = 219,508.60/x
  3. Step 3: Cross multiply
    366,964.60x = 550,446.90 × 219,508.60
  4. Step 4: Simplify right side
    366,964.60x = 120,827,828,393.34
  5. Step 5: Solve for x
    x = 120,827,828,393.34/366,964.60
  6. Step 6: Final answer
    x = 329,262.90

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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.