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Finding the Fourth Proportional to 363,838.91, 545,093.33 and 263,750.85

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Solution

The fourth proportional to 363,838.91, 545,093.33 and 263,750.85 is: 395,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,838.91 : 545,093.33 = 263,750.85 : x
  2. Step 2: Convert to fraction form
    363,838.91/545,093.33 = 263,750.85/x
  3. Step 3: Cross multiply
    363,838.91x = 545,093.33 × 263,750.85
  4. Step 4: Simplify right side
    363,838.91x = 143,768,827,798.08
  5. Step 5: Solve for x
    x = 143,768,827,798.08/363,838.91
  6. Step 6: Final answer
    x = 395,144.19

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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.