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Finding the Fourth Proportional to 479,062.80, 661,092.48 and 264,202.80

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Solution

The fourth proportional to 479,062.80, 661,092.48 and 264,202.80 is: 364,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,062.80 : 661,092.48 = 264,202.80 : x
  2. Step 2: Convert to fraction form
    479,062.80/661,092.48 = 264,202.80/x
  3. Step 3: Cross multiply
    479,062.80x = 661,092.48 × 264,202.80
  4. Step 4: Simplify right side
    479,062.80x = 174,662,484,274.94
  5. Step 5: Solve for x
    x = 174,662,484,274.94/479,062.80
  6. Step 6: Final answer
    x = 364,592.04

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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.