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Finding the Fourth Proportional to 577,906.65, 865,693.58 and 328,297.05

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Solution

The fourth proportional to 577,906.65, 865,693.58 and 328,297.05 is: 491,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,906.65 : 865,693.58 = 328,297.05 : x
  2. Step 2: Convert to fraction form
    577,906.65/865,693.58 = 328,297.05/x
  3. Step 3: Cross multiply
    577,906.65x = 865,693.58 × 328,297.05
  4. Step 4: Simplify right side
    577,906.65x = 284,204,646,876.45
  5. Step 5: Solve for x
    x = 284,204,646,876.45/577,906.65
  6. Step 6: Final answer
    x = 491,782.97

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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.