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Finding the Fourth Proportional to 489,080.60, 733,839.60 and 173,763.80

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Solution

The fourth proportional to 489,080.60, 733,839.60 and 173,763.80 is: 260,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,080.60 : 733,839.60 = 173,763.80 : x
  2. Step 2: Convert to fraction form
    489,080.60/733,839.60 = 173,763.80/x
  3. Step 3: Cross multiply
    489,080.60x = 733,839.60 × 173,763.80
  4. Step 4: Simplify right side
    489,080.60x = 127,514,757,486.48
  5. Step 5: Solve for x
    x = 127,514,757,486.48/489,080.60
  6. Step 6: Final answer
    x = 260,723.40

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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.