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Finding the Fourth Proportional to 488,697.84, 733,161.48 and 151,721.28

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Solution

The fourth proportional to 488,697.84, 733,161.48 and 151,721.28 is: 227,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,697.84 : 733,161.48 = 151,721.28 : x
  2. Step 2: Convert to fraction form
    488,697.84/733,161.48 = 151,721.28/x
  3. Step 3: Cross multiply
    488,697.84x = 733,161.48 × 151,721.28
  4. Step 4: Simplify right side
    488,697.84x = 111,236,198,192.29
  5. Step 5: Solve for x
    x = 111,236,198,192.29/488,697.84
  6. Step 6: Final answer
    x = 227,617.54

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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.