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Finding the Fourth Proportional to 603,930.56, 906,035.64 and 177,472.88

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Solution

The fourth proportional to 603,930.56, 906,035.64 and 177,472.88 is: 266,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,930.56 : 906,035.64 = 177,472.88 : x
  2. Step 2: Convert to fraction form
    603,930.56/906,035.64 = 177,472.88/x
  3. Step 3: Cross multiply
    603,930.56x = 906,035.64 × 177,472.88
  4. Step 4: Simplify right side
    603,930.56x = 160,796,754,413.44
  5. Step 5: Solve for x
    x = 160,796,754,413.44/603,930.56
  6. Step 6: Final answer
    x = 266,250.40

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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.