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Finding the Fourth Proportional to 603,310.80, 905,087.70 and 176,845.80

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Solution

The fourth proportional to 603,310.80, 905,087.70 and 176,845.80 is: 265,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,310.80 : 905,087.70 = 176,845.80 : x
  2. Step 2: Convert to fraction form
    603,310.80/905,087.70 = 176,845.80/x
  3. Step 3: Cross multiply
    603,310.80x = 905,087.70 × 176,845.80
  4. Step 4: Simplify right side
    603,310.80x = 160,060,958,376.66
  5. Step 5: Solve for x
    x = 160,060,958,376.66/603,310.80
  6. Step 6: Final answer
    x = 265,304.31

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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.