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Finding the Fourth Proportional to 304,652.90, 457,058.20 and 178,399.82

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Solution

The fourth proportional to 304,652.90, 457,058.20 and 178,399.82 is: 267,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,652.90 : 457,058.20 = 178,399.82 : x
  2. Step 2: Convert to fraction form
    304,652.90/457,058.20 = 178,399.82/x
  3. Step 3: Cross multiply
    304,652.90x = 457,058.20 × 178,399.82
  4. Step 4: Simplify right side
    304,652.90x = 81,539,100,609.52
  5. Step 5: Solve for x
    x = 81,539,100,609.52/304,652.90
  6. Step 6: Final answer
    x = 267,645.90

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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.