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Finding the Fourth Proportional to 319,379.67, 479,050.60 and 119,683.35

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Solution

The fourth proportional to 319,379.67, 479,050.60 and 119,683.35 is: 179,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,379.67 : 479,050.60 = 119,683.35 : x
  2. Step 2: Convert to fraction form
    319,379.67/479,050.60 = 119,683.35/x
  3. Step 3: Cross multiply
    319,379.67x = 479,050.60 × 119,683.35
  4. Step 4: Simplify right side
    319,379.67x = 57,334,380,627.51
  5. Step 5: Solve for x
    x = 57,334,380,627.51/319,379.67
  6. Step 6: Final answer
    x = 179,517.94

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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.