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Finding the Fourth Proportional to 296,930.80, 444,877.80 and 255,458.80

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Solution

The fourth proportional to 296,930.80, 444,877.80 and 255,458.80 is: 382,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,930.80 : 444,877.80 = 255,458.80 : x
  2. Step 2: Convert to fraction form
    296,930.80/444,877.80 = 255,458.80/x
  3. Step 3: Cross multiply
    296,930.80x = 444,877.80 × 255,458.80
  4. Step 4: Simplify right side
    296,930.80x = 113,647,948,934.64
  5. Step 5: Solve for x
    x = 113,647,948,934.64/296,930.80
  6. Step 6: Final answer
    x = 382,742.20

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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.