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Finding the Fourth Proportional to 499,763.15, 749,644.12 and 162,803.24

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Solution

The fourth proportional to 499,763.15, 749,644.12 and 162,803.24 is: 244,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,763.15 : 749,644.12 = 162,803.24 : x
  2. Step 2: Convert to fraction form
    499,763.15/749,644.12 = 162,803.24/x
  3. Step 3: Cross multiply
    499,763.15x = 749,644.12 × 162,803.24
  4. Step 4: Simplify right side
    499,763.15x = 122,044,493,660.56
  5. Step 5: Solve for x
    x = 122,044,493,660.56/499,763.15
  6. Step 6: Final answer
    x = 244,204.67

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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.