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Finding the Fourth Proportional to 366,967.20, 550,450.80 and 252,805.80

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Solution

The fourth proportional to 366,967.20, 550,450.80 and 252,805.80 is: 379,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,967.20 : 550,450.80 = 252,805.80 : x
  2. Step 2: Convert to fraction form
    366,967.20/550,450.80 = 252,805.80/x
  3. Step 3: Cross multiply
    366,967.20x = 550,450.80 × 252,805.80
  4. Step 4: Simplify right side
    366,967.20x = 139,157,154,854.64
  5. Step 5: Solve for x
    x = 139,157,154,854.64/366,967.20
  6. Step 6: Final answer
    x = 379,208.70

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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.