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Finding the Fourth Proportional to 371,164.36, 512,087.79 and 207,796.86

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Solution

The fourth proportional to 371,164.36, 512,087.79 and 207,796.86 is: 286,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,164.36 : 512,087.79 = 207,796.86 : x
  2. Step 2: Convert to fraction form
    371,164.36/512,087.79 = 207,796.86/x
  3. Step 3: Cross multiply
    371,164.36x = 512,087.79 × 207,796.86
  4. Step 4: Simplify right side
    371,164.36x = 106,410,234,806.34
  5. Step 5: Solve for x
    x = 106,410,234,806.34/371,164.36
  6. Step 6: Final answer
    x = 286,693.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.