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Finding the Fourth Proportional to 404,299.80, 605,793.60 and 254,271.60

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Solution

The fourth proportional to 404,299.80, 605,793.60 and 254,271.60 is: 380,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,299.80 : 605,793.60 = 254,271.60 : x
  2. Step 2: Convert to fraction form
    404,299.80/605,793.60 = 254,271.60/x
  3. Step 3: Cross multiply
    404,299.80x = 605,793.60 × 254,271.60
  4. Step 4: Simplify right side
    404,299.80x = 154,036,107,941.76
  5. Step 5: Solve for x
    x = 154,036,107,941.76/404,299.80
  6. Step 6: Final answer
    x = 380,994.77

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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.