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Finding the Fourth Proportional to 465,751.20, 699,663.60 and 448,125.60

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Solution

The fourth proportional to 465,751.20, 699,663.60 and 448,125.60 is: 673,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,751.20 : 699,663.60 = 448,125.60 : x
  2. Step 2: Convert to fraction form
    465,751.20/699,663.60 = 448,125.60/x
  3. Step 3: Cross multiply
    465,751.20x = 699,663.60 × 448,125.60
  4. Step 4: Simplify right side
    465,751.20x = 313,537,170,548.16
  5. Step 5: Solve for x
    x = 313,537,170,548.16/465,751.20
  6. Step 6: Final answer
    x = 673,185.96

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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.