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Finding the Fourth Proportional to 411,911.76, 568,410.72 and 230,593.04

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Solution

The fourth proportional to 411,911.76, 568,410.72 and 230,593.04 is: 318,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,911.76 : 568,410.72 = 230,593.04 : x
  2. Step 2: Convert to fraction form
    411,911.76/568,410.72 = 230,593.04/x
  3. Step 3: Cross multiply
    411,911.76x = 568,410.72 × 230,593.04
  4. Step 4: Simplify right side
    411,911.76x = 131,071,555,893.39
  5. Step 5: Solve for x
    x = 131,071,555,893.39/411,911.76
  6. Step 6: Final answer
    x = 318,203.00

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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.