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Finding the Fourth Proportional to 538,503.20, 807,793.20 and 164,525.60

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Solution

The fourth proportional to 538,503.20, 807,793.20 and 164,525.60 is: 246,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,503.20 : 807,793.20 = 164,525.60 : x
  2. Step 2: Convert to fraction form
    538,503.20/807,793.20 = 164,525.60/x
  3. Step 3: Cross multiply
    538,503.20x = 807,793.20 × 164,525.60
  4. Step 4: Simplify right side
    538,503.20x = 132,902,660,905.92
  5. Step 5: Solve for x
    x = 132,902,660,905.92/538,503.20
  6. Step 6: Final answer
    x = 246,800.13

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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.