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Finding the Fourth Proportional to 546,297.28, 819,530.34 and 186,383.86

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Solution

The fourth proportional to 546,297.28, 819,530.34 and 186,383.86 is: 279,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,297.28 : 819,530.34 = 186,383.86 : x
  2. Step 2: Convert to fraction form
    546,297.28/819,530.34 = 186,383.86/x
  3. Step 3: Cross multiply
    546,297.28x = 819,530.34 × 186,383.86
  4. Step 4: Simplify right side
    546,297.28x = 152,747,228,156.31
  5. Step 5: Solve for x
    x = 152,747,228,156.31/546,297.28
  6. Step 6: Final answer
    x = 279,604.59

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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.