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Finding the Fourth Proportional to 659,693.44, 989,604.96 and 186,382.48

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Solution

The fourth proportional to 659,693.44, 989,604.96 and 186,382.48 is: 279,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,693.44 : 989,604.96 = 186,382.48 : x
  2. Step 2: Convert to fraction form
    659,693.44/989,604.96 = 186,382.48/x
  3. Step 3: Cross multiply
    659,693.44x = 989,604.96 × 186,382.48
  4. Step 4: Simplify right side
    659,693.44x = 184,445,026,665.10
  5. Step 5: Solve for x
    x = 184,445,026,665.10/659,693.44
  6. Step 6: Final answer
    x = 279,592.03

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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.