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Finding the Fourth Proportional to 479,615.16, 661,869.05 and 264,755.37

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Solution

The fourth proportional to 479,615.16, 661,869.05 and 264,755.37 is: 365,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,615.16 : 661,869.05 = 264,755.37 : x
  2. Step 2: Convert to fraction form
    479,615.16/661,869.05 = 264,755.37/x
  3. Step 3: Cross multiply
    479,615.16x = 661,869.05 × 264,755.37
  4. Step 4: Simplify right side
    479,615.16x = 175,233,385,224.30
  5. Step 5: Solve for x
    x = 175,233,385,224.30/479,615.16
  6. Step 6: Final answer
    x = 365,362.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.