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Finding the Fourth Proportional to 488,766.80, 733,264.94 and 151,790.06

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Solution

The fourth proportional to 488,766.80, 733,264.94 and 151,790.06 is: 227,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,766.80 : 733,264.94 = 151,790.06 : x
  2. Step 2: Convert to fraction form
    488,766.80/733,264.94 = 151,790.06/x
  3. Step 3: Cross multiply
    488,766.80x = 733,264.94 × 151,790.06
  4. Step 4: Simplify right side
    488,766.80x = 111,302,325,951.65
  5. Step 5: Solve for x
    x = 111,302,325,951.65/488,766.80
  6. Step 6: Final answer
    x = 227,720.72

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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.