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Finding the Fourth Proportional to 363,050.80, 543,409.80 and 258,074.80

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Solution

The fourth proportional to 363,050.80, 543,409.80 and 258,074.80 is: 386,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,050.80 : 543,409.80 = 258,074.80 : x
  2. Step 2: Convert to fraction form
    363,050.80/543,409.80 = 258,074.80/x
  3. Step 3: Cross multiply
    363,050.80x = 543,409.80 × 258,074.80
  4. Step 4: Simplify right side
    363,050.80x = 140,240,375,453.04
  5. Step 5: Solve for x
    x = 140,240,375,453.04/363,050.80
  6. Step 6: Final answer
    x = 386,283.06

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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.