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Finding the Fourth Proportional to 363,977.64, 546,074.91 and 263,003.85

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Solution

The fourth proportional to 363,977.64, 546,074.91 and 263,003.85 is: 394,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,977.64 : 546,074.91 = 263,003.85 : x
  2. Step 2: Convert to fraction form
    363,977.64/546,074.91 = 263,003.85/x
  3. Step 3: Cross multiply
    363,977.64x = 546,074.91 × 263,003.85
  4. Step 4: Simplify right side
    363,977.64x = 143,619,803,718.40
  5. Step 5: Solve for x
    x = 143,619,803,718.40/363,977.64
  6. Step 6: Final answer
    x = 394,584.14

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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.