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Finding the Fourth Proportional to 482,997.72, 666,539.19 and 301,814.88

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Solution

The fourth proportional to 482,997.72, 666,539.19 and 301,814.88 is: 416,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,997.72 : 666,539.19 = 301,814.88 : x
  2. Step 2: Convert to fraction form
    482,997.72/666,539.19 = 301,814.88/x
  3. Step 3: Cross multiply
    482,997.72x = 666,539.19 × 301,814.88
  4. Step 4: Simplify right side
    482,997.72x = 201,171,445,645.15
  5. Step 5: Solve for x
    x = 201,171,445,645.15/482,997.72
  6. Step 6: Final answer
    x = 416,505.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.