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Finding the Fourth Proportional to 281,806.70, 423,098.85 and 222,709.10

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Solution

The fourth proportional to 281,806.70, 423,098.85 and 222,709.10 is: 334,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,806.70 : 423,098.85 = 222,709.10 : x
  2. Step 2: Convert to fraction form
    281,806.70/423,098.85 = 222,709.10/x
  3. Step 3: Cross multiply
    281,806.70x = 423,098.85 × 222,709.10
  4. Step 4: Simplify right side
    281,806.70x = 94,227,964,094.54
  5. Step 5: Solve for x
    x = 94,227,964,094.54/281,806.70
  6. Step 6: Final answer
    x = 334,370.91

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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.