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Finding the Fourth Proportional to 552,997.45, 829,490.64 and 253,393.03

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Solution

The fourth proportional to 552,997.45, 829,490.64 and 253,393.03 is: 380,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,997.45 : 829,490.64 = 253,393.03 : x
  2. Step 2: Convert to fraction form
    552,997.45/829,490.64 = 253,393.03/x
  3. Step 3: Cross multiply
    552,997.45x = 829,490.64 × 253,393.03
  4. Step 4: Simplify right side
    552,997.45x = 210,187,146,626.24
  5. Step 5: Solve for x
    x = 210,187,146,626.24/552,997.45
  6. Step 6: Final answer
    x = 380,087.01

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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.