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Finding the Fourth Proportional to 499,771.16, 749,656.08 and 162,811.22

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Solution

The fourth proportional to 499,771.16, 749,656.08 and 162,811.22 is: 244,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,771.16 : 749,656.08 = 162,811.22 : x
  2. Step 2: Convert to fraction form
    499,771.16/749,656.08 = 162,811.22/x
  3. Step 3: Cross multiply
    499,771.16x = 749,656.08 × 162,811.22
  4. Step 4: Simplify right side
    499,771.16x = 122,052,420,965.22
  5. Step 5: Solve for x
    x = 122,052,420,965.22/499,771.16
  6. Step 6: Final answer
    x = 244,216.61

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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.