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Finding the Fourth Proportional to 662,803.14, 914,668.17 and 360,997.14

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Solution

The fourth proportional to 662,803.14, 914,668.17 and 360,997.14 is: 498,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,803.14 : 914,668.17 = 360,997.14 : x
  2. Step 2: Convert to fraction form
    662,803.14/914,668.17 = 360,997.14/x
  3. Step 3: Cross multiply
    662,803.14x = 914,668.17 × 360,997.14
  4. Step 4: Simplify right side
    662,803.14x = 330,192,593,419.03
  5. Step 5: Solve for x
    x = 330,192,593,419.03/662,803.14
  6. Step 6: Final answer
    x = 498,175.96

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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.