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Finding the Fourth Proportional to 403,352.41, 604,930.20 and 166,762.75

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Solution

The fourth proportional to 403,352.41, 604,930.20 and 166,762.75 is: 250,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,352.41 : 604,930.20 = 166,762.75 : x
  2. Step 2: Convert to fraction form
    403,352.41/604,930.20 = 166,762.75/x
  3. Step 3: Cross multiply
    403,352.41x = 604,930.20 × 166,762.75
  4. Step 4: Simplify right side
    403,352.41x = 100,879,823,710.05
  5. Step 5: Solve for x
    x = 100,879,823,710.05/403,352.41
  6. Step 6: Final answer
    x = 250,103.44

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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.