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Finding the Fourth Proportional to 319,585.94, 479,254.32 and 119,797.31

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Solution

The fourth proportional to 319,585.94, 479,254.32 and 119,797.31 is: 179,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,585.94 : 479,254.32 = 119,797.31 : x
  2. Step 2: Convert to fraction form
    319,585.94/479,254.32 = 119,797.31/x
  3. Step 3: Cross multiply
    319,585.94x = 479,254.32 × 119,797.31
  4. Step 4: Simplify right side
    319,585.94x = 57,413,379,540.02
  5. Step 5: Solve for x
    x = 57,413,379,540.02/319,585.94
  6. Step 6: Final answer
    x = 179,649.27

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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.