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Finding the Fourth Proportional to 552,933.09, 762,654.60 and 369,078.96

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Solution

The fourth proportional to 552,933.09, 762,654.60 and 369,078.96 is: 509,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,933.09 : 762,654.60 = 369,078.96 : x
  2. Step 2: Convert to fraction form
    552,933.09/762,654.60 = 369,078.96/x
  3. Step 3: Cross multiply
    552,933.09x = 762,654.60 × 369,078.96
  4. Step 4: Simplify right side
    552,933.09x = 281,479,765,684.52
  5. Step 5: Solve for x
    x = 281,479,765,684.52/552,933.09
  6. Step 6: Final answer
    x = 509,066.59

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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.