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Finding the Fourth Proportional to 351,289.41, 484,870.22 and 229,086.41

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Solution

The fourth proportional to 351,289.41, 484,870.22 and 229,086.41 is: 316,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,289.41 : 484,870.22 = 229,086.41 : x
  2. Step 2: Convert to fraction form
    351,289.41/484,870.22 = 229,086.41/x
  3. Step 3: Cross multiply
    351,289.41x = 484,870.22 × 229,086.41
  4. Step 4: Simplify right side
    351,289.41x = 111,077,174,445.93
  5. Step 5: Solve for x
    x = 111,077,174,445.93/351,289.41
  6. Step 6: Final answer
    x = 316,198.47

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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.