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Finding the Fourth Proportional to 319,695.54, 441,173.12 and 174,496.53

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Solution

The fourth proportional to 319,695.54, 441,173.12 and 174,496.53 is: 240,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.54 : 441,173.12 = 174,496.53 : x
  2. Step 2: Convert to fraction form
    319,695.54/441,173.12 = 174,496.53/x
  3. Step 3: Cross multiply
    319,695.54x = 441,173.12 × 174,496.53
  4. Step 4: Simplify right side
    319,695.54x = 76,983,177,696.79
  5. Step 5: Solve for x
    x = 76,983,177,696.79/319,695.54
  6. Step 6: Final answer
    x = 240,801.54

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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.