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Finding the Fourth Proportional to 445,762.50, 615,163.05 and 244,558.50

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Solution

The fourth proportional to 445,762.50, 615,163.05 and 244,558.50 is: 337,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,762.50 : 615,163.05 = 244,558.50 : x
  2. Step 2: Convert to fraction form
    445,762.50/615,163.05 = 244,558.50/x
  3. Step 3: Cross multiply
    445,762.50x = 615,163.05 × 244,558.50
  4. Step 4: Simplify right side
    445,762.50x = 150,443,352,763.43
  5. Step 5: Solve for x
    x = 150,443,352,763.43/445,762.50
  6. Step 6: Final answer
    x = 337,496.66

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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.