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Finding the Fourth Proportional to 351,450.58, 527,392.44 and 138,181

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Solution

The fourth proportional to 351,450.58, 527,392.44 and 138,181 is: 207,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,450.58 : 527,392.44 = 138,181 : x
  2. Step 2: Convert to fraction form
    351,450.58/527,392.44 = 138,181/x
  3. Step 3: Cross multiply
    351,450.58x = 527,392.44 × 138,181
  4. Step 4: Simplify right side
    351,450.58x = 72,875,614,751.64
  5. Step 5: Solve for x
    x = 72,875,614,751.64/351,450.58
  6. Step 6: Final answer
    x = 207,356.65

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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.