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Finding the Fourth Proportional to 303,860.54, 455,812.97 and 104,179.23

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Solution

The fourth proportional to 303,860.54, 455,812.97 and 104,179.23 is: 156,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,860.54 : 455,812.97 = 104,179.23 : x
  2. Step 2: Convert to fraction form
    303,860.54/455,812.97 = 104,179.23/x
  3. Step 3: Cross multiply
    303,860.54x = 455,812.97 × 104,179.23
  4. Step 4: Simplify right side
    303,860.54x = 47,486,243,717.72
  5. Step 5: Solve for x
    x = 47,486,243,717.72/303,860.54
  6. Step 6: Final answer
    x = 156,276.44

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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.