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Finding the Fourth Proportional to 672,060.96, 927,433.26 and 366,141

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Solution

The fourth proportional to 672,060.96, 927,433.26 and 366,141 is: 505,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,060.96 : 927,433.26 = 366,141 : x
  2. Step 2: Convert to fraction form
    672,060.96/927,433.26 = 366,141/x
  3. Step 3: Cross multiply
    672,060.96x = 927,433.26 × 366,141
  4. Step 4: Simplify right side
    672,060.96x = 339,571,341,249.66
  5. Step 5: Solve for x
    x = 339,571,341,249.66/672,060.96
  6. Step 6: Final answer
    x = 505,268.66

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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.