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Finding the Fourth Proportional to 363,941.56, 545,247.33 and 263,853.64

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Solution

The fourth proportional to 363,941.56, 545,247.33 and 263,853.64 is: 395,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,941.56 : 545,247.33 = 263,853.64 : x
  2. Step 2: Convert to fraction form
    363,941.56/545,247.33 = 263,853.64/x
  3. Step 3: Cross multiply
    363,941.56x = 545,247.33 × 263,853.64
  4. Step 4: Simplify right side
    363,941.56x = 143,865,492,720.78
  5. Step 5: Solve for x
    x = 143,865,492,720.78/363,941.56
  6. Step 6: Final answer
    x = 395,298.34

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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.