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Finding the Fourth Proportional to 293,057.20, 411,213.20 and 293,057.20

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Solution

The fourth proportional to 293,057.20, 411,213.20 and 293,057.20 is: 411,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,057.20 : 411,213.20 = 293,057.20 : x
  2. Step 2: Convert to fraction form
    293,057.20/411,213.20 = 293,057.20/x
  3. Step 3: Cross multiply
    293,057.20x = 411,213.20 × 293,057.20
  4. Step 4: Simplify right side
    293,057.20x = 120,508,988,995.04
  5. Step 5: Solve for x
    x = 120,508,988,995.04/293,057.20
  6. Step 6: Final answer
    x = 411,213.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.