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Finding the Fourth Proportional to 576,057.86, 864,085.82 and 238,873.49

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Solution

The fourth proportional to 576,057.86, 864,085.82 and 238,873.49 is: 358,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,057.86 : 864,085.82 = 238,873.49 : x
  2. Step 2: Convert to fraction form
    576,057.86/864,085.82 = 238,873.49/x
  3. Step 3: Cross multiply
    576,057.86x = 864,085.82 × 238,873.49
  4. Step 4: Simplify right side
    576,057.86x = 206,407,189,968.12
  5. Step 5: Solve for x
    x = 206,407,189,968.12/576,057.86
  6. Step 6: Final answer
    x = 358,309.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.