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Finding the Fourth Proportional to 479,033.28, 661,057.20 and 264,193.20

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Solution

The fourth proportional to 479,033.28, 661,057.20 and 264,193.20 is: 364,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,033.28 : 661,057.20 = 264,193.20 : x
  2. Step 2: Convert to fraction form
    479,033.28/661,057.20 = 264,193.20/x
  3. Step 3: Cross multiply
    479,033.28x = 661,057.20 × 264,193.20
  4. Step 4: Simplify right side
    479,033.28x = 174,646,817,051.04
  5. Step 5: Solve for x
    x = 174,646,817,051.04/479,033.28
  6. Step 6: Final answer
    x = 364,581.80

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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.