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Finding the Fourth Proportional to 328,667.58, 491,704.22 and 248,935.23

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Solution

The fourth proportional to 328,667.58, 491,704.22 and 248,935.23 is: 372,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,667.58 : 491,704.22 = 248,935.23 : x
  2. Step 2: Convert to fraction form
    328,667.58/491,704.22 = 248,935.23/x
  3. Step 3: Cross multiply
    328,667.58x = 491,704.22 × 248,935.23
  4. Step 4: Simplify right side
    328,667.58x = 122,402,503,097.67
  5. Step 5: Solve for x
    x = 122,402,503,097.67/328,667.58
  6. Step 6: Final answer
    x = 372,420.37

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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.