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Finding the Fourth Proportional to 366,961.65, 550,442.48 and 307,912.65

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Solution

The fourth proportional to 366,961.65, 550,442.48 and 307,912.65 is: 461,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.65 : 550,442.48 = 307,912.65 : x
  2. Step 2: Convert to fraction form
    366,961.65/550,442.48 = 307,912.65/x
  3. Step 3: Cross multiply
    366,961.65x = 550,442.48 × 307,912.65
  4. Step 4: Simplify right side
    366,961.65x = 169,488,201,149.81
  5. Step 5: Solve for x
    x = 169,488,201,149.81/366,961.65
  6. Step 6: Final answer
    x = 461,868.98

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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.