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Finding the Fourth Proportional to 484,958.64, 727,437.96 and 169,418.28

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Solution

The fourth proportional to 484,958.64, 727,437.96 and 169,418.28 is: 254,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,958.64 : 727,437.96 = 169,418.28 : x
  2. Step 2: Convert to fraction form
    484,958.64/727,437.96 = 169,418.28/x
  3. Step 3: Cross multiply
    484,958.64x = 727,437.96 × 169,418.28
  4. Step 4: Simplify right side
    484,958.64x = 123,241,287,989.91
  5. Step 5: Solve for x
    x = 123,241,287,989.91/484,958.64
  6. Step 6: Final answer
    x = 254,127.42

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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.