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Finding the Fourth Proportional to 328,824.87, 493,251.66 and 104,201.86

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Solution

The fourth proportional to 328,824.87, 493,251.66 and 104,201.86 is: 156,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,824.87 : 493,251.66 = 104,201.86 : x
  2. Step 2: Convert to fraction form
    328,824.87/493,251.66 = 104,201.86/x
  3. Step 3: Cross multiply
    328,824.87x = 493,251.66 × 104,201.86
  4. Step 4: Simplify right side
    328,824.87x = 51,397,740,420.09
  5. Step 5: Solve for x
    x = 51,397,740,420.09/328,824.87
  6. Step 6: Final answer
    x = 156,307.34

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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.