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Finding the Fourth Proportional to 244,680.90, 367,021.35 and 219,020.10

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Solution

The fourth proportional to 244,680.90, 367,021.35 and 219,020.10 is: 328,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,680.90 : 367,021.35 = 219,020.10 : x
  2. Step 2: Convert to fraction form
    244,680.90/367,021.35 = 219,020.10/x
  3. Step 3: Cross multiply
    244,680.90x = 367,021.35 × 219,020.10
  4. Step 4: Simplify right side
    244,680.90x = 80,385,052,779.14
  5. Step 5: Solve for x
    x = 80,385,052,779.14/244,680.90
  6. Step 6: Final answer
    x = 328,530.15

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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.