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Finding the Fourth Proportional to 323,030.60, 485,064.30 and 244,233.80

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Solution

The fourth proportional to 323,030.60, 485,064.30 and 244,233.80 is: 366,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,030.60 : 485,064.30 = 244,233.80 : x
  2. Step 2: Convert to fraction form
    323,030.60/485,064.30 = 244,233.80/x
  3. Step 3: Cross multiply
    323,030.60x = 485,064.30 × 244,233.80
  4. Step 4: Simplify right side
    323,030.60x = 118,469,097,233.34
  5. Step 5: Solve for x
    x = 118,469,097,233.34/323,030.60
  6. Step 6: Final answer
    x = 366,742.65

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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.