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Finding the Fourth Proportional to 363,130.40, 543,620.40 and 270,048.80

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Solution

The fourth proportional to 363,130.40, 543,620.40 and 270,048.80 is: 404,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,130.40 : 543,620.40 = 270,048.80 : x
  2. Step 2: Convert to fraction form
    363,130.40/543,620.40 = 270,048.80/x
  3. Step 3: Cross multiply
    363,130.40x = 543,620.40 × 270,048.80
  4. Step 4: Simplify right side
    363,130.40x = 146,804,036,675.52
  5. Step 5: Solve for x
    x = 146,804,036,675.52/363,130.40
  6. Step 6: Final answer
    x = 404,273.61

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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.