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Finding the Fourth Proportional to 319,668.20, 479,448.54 and 117,222.44

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Solution

The fourth proportional to 319,668.20, 479,448.54 and 117,222.44 is: 175,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,668.20 : 479,448.54 = 117,222.44 : x
  2. Step 2: Convert to fraction form
    319,668.20/479,448.54 = 117,222.44/x
  3. Step 3: Cross multiply
    319,668.20x = 479,448.54 × 117,222.44
  4. Step 4: Simplify right side
    319,668.20x = 56,202,127,713.24
  5. Step 5: Solve for x
    x = 56,202,127,713.24/319,668.20
  6. Step 6: Final answer
    x = 175,813.95

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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.