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Finding the Fourth Proportional to 488,912.78, 733,384.56 and 151,955.22

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Solution

The fourth proportional to 488,912.78, 733,384.56 and 151,955.22 is: 227,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,912.78 : 733,384.56 = 151,955.22 : x
  2. Step 2: Convert to fraction form
    488,912.78/733,384.56 = 151,955.22/x
  3. Step 3: Cross multiply
    488,912.78x = 733,384.56 × 151,955.22
  4. Step 4: Simplify right side
    488,912.78x = 111,441,612,159.40
  5. Step 5: Solve for x
    x = 111,441,612,159.40/488,912.78
  6. Step 6: Final answer
    x = 227,937.61

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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.