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Finding the Fourth Proportional to 884,168, 1,220,152.02 and 481,760

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Solution

The fourth proportional to 884,168, 1,220,152.02 and 481,760 is: 664,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,168 : 1,220,152.02 = 481,760 : x
  2. Step 2: Convert to fraction form
    884,168/1,220,152.02 = 481,760/x
  3. Step 3: Cross multiply
    884,168x = 1,220,152.02 × 481,760
  4. Step 4: Simplify right side
    884,168x = 587,820,437,155.20
  5. Step 5: Solve for x
    x = 587,820,437,155.20/884,168
  6. Step 6: Final answer
    x = 664,828.90

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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.