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Finding the Fourth Proportional to 366,810.45, 512,912.55 and 366,810.45

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Solution

The fourth proportional to 366,810.45, 512,912.55 and 366,810.45 is: 512,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,810.45 : 512,912.55 = 366,810.45 : x
  2. Step 2: Convert to fraction form
    366,810.45/512,912.55 = 366,810.45/x
  3. Step 3: Cross multiply
    366,810.45x = 512,912.55 × 366,810.45
  4. Step 4: Simplify right side
    366,810.45x = 188,141,683,276.15
  5. Step 5: Solve for x
    x = 188,141,683,276.15/366,810.45
  6. Step 6: Final answer
    x = 512,912.55

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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.