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Finding the Fourth Proportional to 334,954.20, 502,577.10 and 168,742.20

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Solution

The fourth proportional to 334,954.20, 502,577.10 and 168,742.20 is: 253,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,954.20 : 502,577.10 = 168,742.20 : x
  2. Step 2: Convert to fraction form
    334,954.20/502,577.10 = 168,742.20/x
  3. Step 3: Cross multiply
    334,954.20x = 502,577.10 × 168,742.20
  4. Step 4: Simplify right side
    334,954.20x = 84,805,965,523.62
  5. Step 5: Solve for x
    x = 84,805,965,523.62/334,954.20
  6. Step 6: Final answer
    x = 253,186.75

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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.