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Finding the Fourth Proportional to 366,937.55, 550,406.33 and 323,634.95

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Solution

The fourth proportional to 366,937.55, 550,406.33 and 323,634.95 is: 485,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,937.55 : 550,406.33 = 323,634.95 : x
  2. Step 2: Convert to fraction form
    366,937.55/550,406.33 = 323,634.95/x
  3. Step 3: Cross multiply
    366,937.55x = 550,406.33 × 323,634.95
  4. Step 4: Simplify right side
    366,937.55x = 178,130,725,089.23
  5. Step 5: Solve for x
    x = 178,130,725,089.23/366,937.55
  6. Step 6: Final answer
    x = 485,452.43

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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.