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Finding the Fourth Proportional to 281,805.70, 423,097.35 and 222,708.10

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Solution

The fourth proportional to 281,805.70, 423,097.35 and 222,708.10 is: 334,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,805.70 : 423,097.35 = 222,708.10 : x
  2. Step 2: Convert to fraction form
    281,805.70/423,097.35 = 222,708.10/x
  3. Step 3: Cross multiply
    281,805.70x = 423,097.35 × 222,708.10
  4. Step 4: Simplify right side
    281,805.70x = 94,227,206,933.54
  5. Step 5: Solve for x
    x = 94,227,206,933.54/281,805.70
  6. Step 6: Final answer
    x = 334,369.41

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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.