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Finding the Fourth Proportional to 489,064.60, 733,815.60 and 173,747.80

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Solution

The fourth proportional to 489,064.60, 733,815.60 and 173,747.80 is: 260,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,064.60 : 733,815.60 = 173,747.80 : x
  2. Step 2: Convert to fraction form
    489,064.60/733,815.60 = 173,747.80/x
  3. Step 3: Cross multiply
    489,064.60x = 733,815.60 × 173,747.80
  4. Step 4: Simplify right side
    489,064.60x = 127,498,846,105.68
  5. Step 5: Solve for x
    x = 127,498,846,105.68/489,064.60
  6. Step 6: Final answer
    x = 260,699.40

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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.