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Finding the Fourth Proportional to 281,324.48, 421,695.12 and 175,901.36

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Solution

The fourth proportional to 281,324.48, 421,695.12 and 175,901.36 is: 263,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,324.48 : 421,695.12 = 175,901.36 : x
  2. Step 2: Convert to fraction form
    281,324.48/421,695.12 = 175,901.36/x
  3. Step 3: Cross multiply
    281,324.48x = 421,695.12 × 175,901.36
  4. Step 4: Simplify right side
    281,324.48x = 74,176,745,113.36
  5. Step 5: Solve for x
    x = 74,176,745,113.36/281,324.48
  6. Step 6: Final answer
    x = 263,669.71

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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.