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Finding the Fourth Proportional to 443,334, 611,804.81 and 252,359.67

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Solution

The fourth proportional to 443,334, 611,804.81 and 252,359.67 is: 348,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,334 : 611,804.81 = 252,359.67 : x
  2. Step 2: Convert to fraction form
    443,334/611,804.81 = 252,359.67/x
  3. Step 3: Cross multiply
    443,334x = 611,804.81 × 252,359.67
  4. Step 4: Simplify right side
    443,334x = 154,394,858,694.21
  5. Step 5: Solve for x
    x = 154,394,858,694.21/443,334
  6. Step 6: Final answer
    x = 348,258.56

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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.