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Finding the Fourth Proportional to 488,608.56, 733,009.70 and 151,634.82

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Solution

The fourth proportional to 488,608.56, 733,009.70 and 151,634.82 is: 227,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,608.56 : 733,009.70 = 151,634.82 : x
  2. Step 2: Convert to fraction form
    488,608.56/733,009.70 = 151,634.82/x
  3. Step 3: Cross multiply
    488,608.56x = 733,009.70 × 151,634.82
  4. Step 4: Simplify right side
    488,608.56x = 111,149,793,159.58
  5. Step 5: Solve for x
    x = 111,149,793,159.58/488,608.56
  6. Step 6: Final answer
    x = 227,482.29

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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.