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Finding the Fourth Proportional to 275,790.58, 413,300.28 and 149,157.34

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Solution

The fourth proportional to 275,790.58, 413,300.28 and 149,157.34 is: 223,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,790.58 : 413,300.28 = 149,157.34 : x
  2. Step 2: Convert to fraction form
    275,790.58/413,300.28 = 149,157.34/x
  3. Step 3: Cross multiply
    275,790.58x = 413,300.28 × 149,157.34
  4. Step 4: Simplify right side
    275,790.58x = 61,646,770,386.06
  5. Step 5: Solve for x
    x = 61,646,770,386.06/275,790.58
  6. Step 6: Final answer
    x = 223,527.47

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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.