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Finding the Fourth Proportional to 340,658.75, 511,067.25 and 116,021.10

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Solution

The fourth proportional to 340,658.75, 511,067.25 and 116,021.10 is: 174,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,658.75 : 511,067.25 = 116,021.10 : x
  2. Step 2: Convert to fraction form
    340,658.75/511,067.25 = 116,021.10/x
  3. Step 3: Cross multiply
    340,658.75x = 511,067.25 × 116,021.10
  4. Step 4: Simplify right side
    340,658.75x = 59,294,584,518.98
  5. Step 5: Solve for x
    x = 59,294,584,518.98/340,658.75
  6. Step 6: Final answer
    x = 174,058.60

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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.