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Finding the Fourth Proportional to 323,770.55, 485,655.83 and 249,034.55

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Solution

The fourth proportional to 323,770.55, 485,655.83 and 249,034.55 is: 373,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,770.55 : 485,655.83 = 249,034.55 : x
  2. Step 2: Convert to fraction form
    323,770.55/485,655.83 = 249,034.55/x
  3. Step 3: Cross multiply
    323,770.55x = 485,655.83 × 249,034.55
  4. Step 4: Simplify right side
    323,770.55x = 120,945,079,833.75
  5. Step 5: Solve for x
    x = 120,945,079,833.75/323,770.55
  6. Step 6: Final answer
    x = 373,551.83

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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.