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Finding the Fourth Proportional to 331,633.39, 497,555.21 and 118,396.64

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Solution

The fourth proportional to 331,633.39, 497,555.21 and 118,396.64 is: 177,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,633.39 : 497,555.21 = 118,396.64 : x
  2. Step 2: Convert to fraction form
    331,633.39/497,555.21 = 118,396.64/x
  3. Step 3: Cross multiply
    331,633.39x = 497,555.21 × 118,396.64
  4. Step 4: Simplify right side
    331,633.39x = 58,908,863,153.64
  5. Step 5: Solve for x
    x = 58,908,863,153.64/331,633.39
  6. Step 6: Final answer
    x = 177,632.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.