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Finding the Fourth Proportional to 367,043.20, 550,564.80 and 255,068.80

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Solution

The fourth proportional to 367,043.20, 550,564.80 and 255,068.80 is: 382,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,043.20 : 550,564.80 = 255,068.80 : x
  2. Step 2: Convert to fraction form
    367,043.20/550,564.80 = 255,068.80/x
  3. Step 3: Cross multiply
    367,043.20x = 550,564.80 × 255,068.80
  4. Step 4: Simplify right side
    367,043.20x = 140,431,902,858.24
  5. Step 5: Solve for x
    x = 140,431,902,858.24/367,043.20
  6. Step 6: Final answer
    x = 382,603.20

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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.