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Finding the Fourth Proportional to 508,108.45, 762,457.83 and 227,625.70

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Solution

The fourth proportional to 508,108.45, 762,457.83 and 227,625.70 is: 341,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,108.45 : 762,457.83 = 227,625.70 : x
  2. Step 2: Convert to fraction form
    508,108.45/762,457.83 = 227,625.70/x
  3. Step 3: Cross multiply
    508,108.45x = 762,457.83 × 227,625.70
  4. Step 4: Simplify right side
    508,108.45x = 173,554,993,461.94
  5. Step 5: Solve for x
    x = 173,554,993,461.94/508,108.45
  6. Step 6: Final answer
    x = 341,570.77

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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.