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Finding the Fourth Proportional to 275,890.46, 413,541.45 and 157,306.46

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Solution

The fourth proportional to 275,890.46, 413,541.45 and 157,306.46 is: 235,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,890.46 : 413,541.45 = 157,306.46 : x
  2. Step 2: Convert to fraction form
    275,890.46/413,541.45 = 157,306.46/x
  3. Step 3: Cross multiply
    275,890.46x = 413,541.45 × 157,306.46
  4. Step 4: Simplify right side
    275,890.46x = 65,052,739,495.06
  5. Step 5: Solve for x
    x = 65,052,739,495.06/275,890.46
  6. Step 6: Final answer
    x = 235,791.92

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1.5x scale

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.