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Finding the Fourth Proportional to 366,912.65, 514,377.55 and 366,912.65

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Solution

The fourth proportional to 366,912.65, 514,377.55 and 366,912.65 is: 514,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.65 : 514,377.55 = 366,912.65 : x
  2. Step 2: Convert to fraction form
    366,912.65/514,377.55 = 366,912.65/x
  3. Step 3: Cross multiply
    366,912.65x = 514,377.55 × 366,912.65
  4. Step 4: Simplify right side
    366,912.65x = 188,731,629,971.01
  5. Step 5: Solve for x
    x = 188,731,629,971.01/366,912.65
  6. Step 6: Final answer
    x = 514,377.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.