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Finding the Fourth Proportional to 361,997.20, 499,096.92 and 258,754.96

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Solution

The fourth proportional to 361,997.20, 499,096.92 and 258,754.96 is: 356,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,997.20 : 499,096.92 = 258,754.96 : x
  2. Step 2: Convert to fraction form
    361,997.20/499,096.92 = 258,754.96/x
  3. Step 3: Cross multiply
    361,997.20x = 499,096.92 × 258,754.96
  4. Step 4: Simplify right side
    361,997.20x = 129,143,803,570.72
  5. Step 5: Solve for x
    x = 129,143,803,570.72/361,997.20
  6. Step 6: Final answer
    x = 356,753.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.