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Finding the Fourth Proportional to 489,615.96, 733,980.54 and 173,999.04

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Solution

The fourth proportional to 489,615.96, 733,980.54 and 173,999.04 is: 260,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,615.96 : 733,980.54 = 173,999.04 : x
  2. Step 2: Convert to fraction form
    489,615.96/733,980.54 = 173,999.04/x
  3. Step 3: Cross multiply
    489,615.96x = 733,980.54 × 173,999.04
  4. Step 4: Simplify right side
    489,615.96x = 127,711,909,338.68
  5. Step 5: Solve for x
    x = 127,711,909,338.68/489,615.96
  6. Step 6: Final answer
    x = 260,840.99

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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.