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Finding the Fourth Proportional to 666,323.52, 919,548.19 and 364,517.52

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Solution

The fourth proportional to 666,323.52, 919,548.19 and 364,517.52 is: 503,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,323.52 : 919,548.19 = 364,517.52 : x
  2. Step 2: Convert to fraction form
    666,323.52/919,548.19 = 364,517.52/x
  3. Step 3: Cross multiply
    666,323.52x = 919,548.19 × 364,517.52
  4. Step 4: Simplify right side
    666,323.52x = 335,191,425,739.29
  5. Step 5: Solve for x
    x = 335,191,425,739.29/666,323.52
  6. Step 6: Final answer
    x = 503,046.07

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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.