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Finding the Fourth Proportional to 489,127.60, 733,910.10 and 173,810.80

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Solution

The fourth proportional to 489,127.60, 733,910.10 and 173,810.80 is: 260,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,127.60 : 733,910.10 = 173,810.80 : x
  2. Step 2: Convert to fraction form
    489,127.60/733,910.10 = 173,810.80/x
  3. Step 3: Cross multiply
    489,127.60x = 733,910.10 × 173,810.80
  4. Step 4: Simplify right side
    489,127.60x = 127,561,501,609.08
  5. Step 5: Solve for x
    x = 127,561,501,609.08/489,127.60
  6. Step 6: Final answer
    x = 260,793.91

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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.