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Finding the Fourth Proportional to 557,773.26, 836,660.16 and 368,189.31

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Solution

The fourth proportional to 557,773.26, 836,660.16 and 368,189.31 is: 552,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,773.26 : 836,660.16 = 368,189.31 : x
  2. Step 2: Convert to fraction form
    557,773.26/836,660.16 = 368,189.31/x
  3. Step 3: Cross multiply
    557,773.26x = 836,660.16 × 368,189.31
  4. Step 4: Simplify right side
    557,773.26x = 308,049,327,014.89
  5. Step 5: Solve for x
    x = 308,049,327,014.89/557,773.26
  6. Step 6: Final answer
    x = 552,284.14

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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.