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Finding the Fourth Proportional to 355,274.69, 532,912.03 and 144,929.03

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Solution

The fourth proportional to 355,274.69, 532,912.03 and 144,929.03 is: 217,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,274.69 : 532,912.03 = 144,929.03 : x
  2. Step 2: Convert to fraction form
    355,274.69/532,912.03 = 144,929.03/x
  3. Step 3: Cross multiply
    355,274.69x = 532,912.03 × 144,929.03
  4. Step 4: Simplify right side
    355,274.69x = 77,234,420,556.35
  5. Step 5: Solve for x
    x = 77,234,420,556.35/355,274.69
  6. Step 6: Final answer
    x = 217,393.54

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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.