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Finding the Fourth Proportional to 319,064.22, 440,287.88 and 175,824.27

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Solution

The fourth proportional to 319,064.22, 440,287.88 and 175,824.27 is: 242,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,064.22 : 440,287.88 = 175,824.27 : x
  2. Step 2: Convert to fraction form
    319,064.22/440,287.88 = 175,824.27/x
  3. Step 3: Cross multiply
    319,064.22x = 440,287.88 × 175,824.27
  4. Step 4: Simplify right side
    319,064.22x = 77,413,294,211.73
  5. Step 5: Solve for x
    x = 77,413,294,211.73/319,064.22
  6. Step 6: Final answer
    x = 242,626.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.