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Finding the Fourth Proportional to 489,166.80, 733,879.80 and 173,590.80

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Solution

The fourth proportional to 489,166.80, 733,879.80 and 173,590.80 is: 260,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,166.80 : 733,879.80 = 173,590.80 : x
  2. Step 2: Convert to fraction form
    489,166.80/733,879.80 = 173,590.80/x
  3. Step 3: Cross multiply
    489,166.80x = 733,879.80 × 173,590.80
  4. Step 4: Simplify right side
    489,166.80x = 127,394,781,585.84
  5. Step 5: Solve for x
    x = 127,394,781,585.84/489,166.80
  6. Step 6: Final answer
    x = 260,432.19

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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.