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Finding the Fourth Proportional to 659,367, 988,961.94 and 186,090.36

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Solution

The fourth proportional to 659,367, 988,961.94 and 186,090.36 is: 279,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,367 : 988,961.94 = 186,090.36 : x
  2. Step 2: Convert to fraction form
    659,367/988,961.94 = 186,090.36/x
  3. Step 3: Cross multiply
    659,367x = 988,961.94 × 186,090.36
  4. Step 4: Simplify right side
    659,367x = 184,036,283,440.90
  5. Step 5: Solve for x
    x = 184,036,283,440.90/659,367
  6. Step 6: Final answer
    x = 279,110.55

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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.