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Finding the Fourth Proportional to 443,375.37, 611,906.81 and 252,357.93

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Solution

The fourth proportional to 443,375.37, 611,906.81 and 252,357.93 is: 348,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,375.37 : 611,906.81 = 252,357.93 : x
  2. Step 2: Convert to fraction form
    443,375.37/611,906.81 = 252,357.93/x
  3. Step 3: Cross multiply
    443,375.37x = 611,906.81 × 252,357.93
  4. Step 4: Simplify right side
    443,375.37x = 154,419,534,662.71
  5. Step 5: Solve for x
    x = 154,419,534,662.71/443,375.37
  6. Step 6: Final answer
    x = 348,281.72

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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.