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Finding the Fourth Proportional to 624,728.70, 937,530.45 and 269,997.30

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Solution

The fourth proportional to 624,728.70, 937,530.45 and 269,997.30 is: 405,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,728.70 : 937,530.45 = 269,997.30 : x
  2. Step 2: Convert to fraction form
    624,728.70/937,530.45 = 269,997.30/x
  3. Step 3: Cross multiply
    624,728.70x = 937,530.45 × 269,997.30
  4. Step 4: Simplify right side
    624,728.70x = 253,130,690,167.79
  5. Step 5: Solve for x
    x = 253,130,690,167.79/624,728.70
  6. Step 6: Final answer
    x = 405,184.99

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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.