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Finding the Fourth Proportional to 361,766.54, 499,230.01 and 208,792.73

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Solution

The fourth proportional to 361,766.54, 499,230.01 and 208,792.73 is: 288,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,766.54 : 499,230.01 = 208,792.73 : x
  2. Step 2: Convert to fraction form
    361,766.54/499,230.01 = 208,792.73/x
  3. Step 3: Cross multiply
    361,766.54x = 499,230.01 × 208,792.73
  4. Step 4: Simplify right side
    361,766.54x = 104,235,596,685.83
  5. Step 5: Solve for x
    x = 104,235,596,685.83/361,766.54
  6. Step 6: Final answer
    x = 288,129.46

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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.