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Finding the Fourth Proportional to 479,222.52, 661,325.20 and 264,375.96

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Solution

The fourth proportional to 479,222.52, 661,325.20 and 264,375.96 is: 364,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,222.52 : 661,325.20 = 264,375.96 : x
  2. Step 2: Convert to fraction form
    479,222.52/661,325.20 = 264,375.96/x
  3. Step 3: Cross multiply
    479,222.52x = 661,325.20 × 264,375.96
  4. Step 4: Simplify right side
    479,222.52x = 174,838,484,622.19
  5. Step 5: Solve for x
    x = 174,838,484,622.19/479,222.52
  6. Step 6: Final answer
    x = 364,837.79

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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.