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Finding the Fourth Proportional to 484,615.92, 726,927.12 and 169,071.60

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Solution

The fourth proportional to 484,615.92, 726,927.12 and 169,071.60 is: 253,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,615.92 : 726,927.12 = 169,071.60 : x
  2. Step 2: Convert to fraction form
    484,615.92/726,927.12 = 169,071.60/x
  3. Step 3: Cross multiply
    484,615.92x = 726,927.12 × 169,071.60
  4. Step 4: Simplify right side
    484,615.92x = 122,902,731,261.79
  5. Step 5: Solve for x
    x = 122,902,731,261.79/484,615.92
  6. Step 6: Final answer
    x = 253,608.53

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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.