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Finding the Fourth Proportional to 538,553.20, 807,868.20 and 164,575.60

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Solution

The fourth proportional to 538,553.20, 807,868.20 and 164,575.60 is: 246,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,553.20 : 807,868.20 = 164,575.60 : x
  2. Step 2: Convert to fraction form
    538,553.20/807,868.20 = 164,575.60/x
  3. Step 3: Cross multiply
    538,553.20x = 807,868.20 × 164,575.60
  4. Step 4: Simplify right side
    538,553.20x = 132,955,393,735.92
  5. Step 5: Solve for x
    x = 132,955,393,735.92/538,553.20
  6. Step 6: Final answer
    x = 246,875.13

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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.