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Finding the Fourth Proportional to 479,442.31, 718,975.53 and 179,759.52

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Solution

The fourth proportional to 479,442.31, 718,975.53 and 179,759.52 is: 269,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,442.31 : 718,975.53 = 179,759.52 : x
  2. Step 2: Convert to fraction form
    479,442.31/718,975.53 = 179,759.52/x
  3. Step 3: Cross multiply
    479,442.31x = 718,975.53 × 179,759.52
  4. Step 4: Simplify right side
    479,442.31x = 129,242,696,164.55
  5. Step 5: Solve for x
    x = 129,242,696,164.55/479,442.31
  6. Step 6: Final answer
    x = 269,568.82

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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.