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Finding the Fourth Proportional to 478,696.14, 718,167.24 and 179,181

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Solution

The fourth proportional to 478,696.14, 718,167.24 and 179,181 is: 268,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,696.14 : 718,167.24 = 179,181 : x
  2. Step 2: Convert to fraction form
    478,696.14/718,167.24 = 179,181/x
  3. Step 3: Cross multiply
    478,696.14x = 718,167.24 × 179,181
  4. Step 4: Simplify right side
    478,696.14x = 128,681,924,230.44
  5. Step 5: Solve for x
    x = 128,681,924,230.44/478,696.14
  6. Step 6: Final answer
    x = 268,817.55

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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.