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Finding the Fourth Proportional to 479,503.30, 719,174.31 and 175,834.66

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Solution

The fourth proportional to 479,503.30, 719,174.31 and 175,834.66 is: 263,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,503.30 : 719,174.31 = 175,834.66 : x
  2. Step 2: Convert to fraction form
    479,503.30/719,174.31 = 175,834.66/x
  3. Step 3: Cross multiply
    479,503.30x = 719,174.31 × 175,834.66
  4. Step 4: Simplify right side
    479,503.30x = 126,455,770,279.59
  5. Step 5: Solve for x
    x = 126,455,770,279.59/479,503.30
  6. Step 6: Final answer
    x = 263,722.42

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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.