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Finding the Fourth Proportional to 326,167.91, 488,779.67 and 224,861.97

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Solution

The fourth proportional to 326,167.91, 488,779.67 and 224,861.97 is: 336,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,167.91 : 488,779.67 = 224,861.97 : x
  2. Step 2: Convert to fraction form
    326,167.91/488,779.67 = 224,861.97/x
  3. Step 3: Cross multiply
    326,167.91x = 488,779.67 × 224,861.97
  4. Step 4: Simplify right side
    326,167.91x = 109,907,960,054.31
  5. Step 5: Solve for x
    x = 109,907,960,054.31/326,167.91
  6. Step 6: Final answer
    x = 336,967.43

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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.