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Finding the Fourth Proportional to 450,353.26, 675,423.76 and 165,889.33

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Solution

The fourth proportional to 450,353.26, 675,423.76 and 165,889.33 is: 248,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,353.26 : 675,423.76 = 165,889.33 : x
  2. Step 2: Convert to fraction form
    450,353.26/675,423.76 = 165,889.33/x
  3. Step 3: Cross multiply
    450,353.26x = 675,423.76 × 165,889.33
  4. Step 4: Simplify right side
    450,353.26x = 112,045,592,494.48
  5. Step 5: Solve for x
    x = 112,045,592,494.48/450,353.26
  6. Step 6: Final answer
    x = 248,794.90

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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.