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Finding the Fourth Proportional to 499,771.65, 749,656.89 and 162,811.77

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Solution

The fourth proportional to 499,771.65, 749,656.89 and 162,811.77 is: 244,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,771.65 : 749,656.89 = 162,811.77 : x
  2. Step 2: Convert to fraction form
    499,771.65/749,656.89 = 162,811.77/x
  3. Step 3: Cross multiply
    499,771.65x = 749,656.89 × 162,811.77
  4. Step 4: Simplify right side
    499,771.65x = 122,052,965,153.60
  5. Step 5: Solve for x
    x = 122,052,965,153.60/499,771.65
  6. Step 6: Final answer
    x = 244,217.46

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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.