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Finding the Fourth Proportional to 626,797.80, 940,202.10 and 177,528.60

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Solution

The fourth proportional to 626,797.80, 940,202.10 and 177,528.60 is: 266,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,797.80 : 940,202.10 = 177,528.60 : x
  2. Step 2: Convert to fraction form
    626,797.80/940,202.10 = 177,528.60/x
  3. Step 3: Cross multiply
    626,797.80x = 940,202.10 × 177,528.60
  4. Step 4: Simplify right side
    626,797.80x = 166,912,762,530.06
  5. Step 5: Solve for x
    x = 166,912,762,530.06/626,797.80
  6. Step 6: Final answer
    x = 266,294.43

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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.