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Finding the Fourth Proportional to 399,597.13, 599,395.70 and 162,958.27

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Solution

The fourth proportional to 399,597.13, 599,395.70 and 162,958.27 is: 244,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,597.13 : 599,395.70 = 162,958.27 : x
  2. Step 2: Convert to fraction form
    399,597.13/599,395.70 = 162,958.27/x
  3. Step 3: Cross multiply
    399,597.13x = 599,395.70 × 162,958.27
  4. Step 4: Simplify right side
    399,597.13x = 97,676,486,317.44
  5. Step 5: Solve for x
    x = 97,676,486,317.44/399,597.13
  6. Step 6: Final answer
    x = 244,437.41

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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.