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Finding the Fourth Proportional to 543,523.72, 750,131.91 and 328,665.34

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Solution

The fourth proportional to 543,523.72, 750,131.91 and 328,665.34 is: 453,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,523.72 : 750,131.91 = 328,665.34 : x
  2. Step 2: Convert to fraction form
    543,523.72/750,131.91 = 328,665.34/x
  3. Step 3: Cross multiply
    543,523.72x = 750,131.91 × 328,665.34
  4. Step 4: Simplify right side
    543,523.72x = 246,542,359,245.00
  5. Step 5: Solve for x
    x = 246,542,359,245.00/543,523.72
  6. Step 6: Final answer
    x = 453,600.00

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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.