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Finding the Fourth Proportional to 884,163, 1,220,145.12 and 481,755

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Solution

The fourth proportional to 884,163, 1,220,145.12 and 481,755 is: 664,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,163 : 1,220,145.12 = 481,755 : x
  2. Step 2: Convert to fraction form
    884,163/1,220,145.12 = 481,755/x
  3. Step 3: Cross multiply
    884,163x = 1,220,145.12 × 481,755
  4. Step 4: Simplify right side
    884,163x = 587,811,012,285.60
  5. Step 5: Solve for x
    x = 587,811,012,285.60/884,163
  6. Step 6: Final answer
    x = 664,822.00

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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.