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Finding the Fourth Proportional to 452,668.22, 624,447.92 and 307,481.50

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Solution

The fourth proportional to 452,668.22, 624,447.92 and 307,481.50 is: 424,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,668.22 : 624,447.92 = 307,481.50 : x
  2. Step 2: Convert to fraction form
    452,668.22/624,447.92 = 307,481.50/x
  3. Step 3: Cross multiply
    452,668.22x = 624,447.92 × 307,481.50
  4. Step 4: Simplify right side
    452,668.22x = 192,006,183,113.48
  5. Step 5: Solve for x
    x = 192,006,183,113.48/452,668.22
  6. Step 6: Final answer
    x = 424,165.37

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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.