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Finding the Fourth Proportional to 363,479.67, 545,305.77 and 114,161.67

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Solution

The fourth proportional to 363,479.67, 545,305.77 and 114,161.67 is: 171,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,479.67 : 545,305.77 = 114,161.67 : x
  2. Step 2: Convert to fraction form
    363,479.67/545,305.77 = 114,161.67/x
  3. Step 3: Cross multiply
    363,479.67x = 545,305.77 × 114,161.67
  4. Step 4: Simplify right side
    363,479.67x = 62,253,017,363.84
  5. Step 5: Solve for x
    x = 62,253,017,363.84/363,479.67
  6. Step 6: Final answer
    x = 171,269.60

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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.