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Finding the Fourth Proportional to 322,079.68, 485,048.50 and 293,349.52

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Solution

The fourth proportional to 322,079.68, 485,048.50 and 293,349.52 is: 441,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,079.68 : 485,048.50 = 293,349.52 : x
  2. Step 2: Convert to fraction form
    322,079.68/485,048.50 = 293,349.52/x
  3. Step 3: Cross multiply
    322,079.68x = 485,048.50 × 293,349.52
  4. Step 4: Simplify right side
    322,079.68x = 142,288,744,651.72
  5. Step 5: Solve for x
    x = 142,288,744,651.72/322,079.68
  6. Step 6: Final answer
    x = 441,781.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.