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Finding the Fourth Proportional to 399,627.99, 599,052.38 and 159,670.35

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Solution

The fourth proportional to 399,627.99, 599,052.38 and 159,670.35 is: 239,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,627.99 : 599,052.38 = 159,670.35 : x
  2. Step 2: Convert to fraction form
    399,627.99/599,052.38 = 159,670.35/x
  3. Step 3: Cross multiply
    399,627.99x = 599,052.38 × 159,670.35
  4. Step 4: Simplify right side
    399,627.99x = 95,650,902,384.58
  5. Step 5: Solve for x
    x = 95,650,902,384.58/399,627.99
  6. Step 6: Final answer
    x = 239,349.86

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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.