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Finding the Fourth Proportional to 884,173, 1,220,158.92 and 481,765

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Solution

The fourth proportional to 884,173, 1,220,158.92 and 481,765 is: 664,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,173 : 1,220,158.92 = 481,765 : x
  2. Step 2: Convert to fraction form
    884,173/1,220,158.92 = 481,765/x
  3. Step 3: Cross multiply
    884,173x = 1,220,158.92 × 481,765
  4. Step 4: Simplify right side
    884,173x = 587,829,862,093.80
  5. Step 5: Solve for x
    x = 587,829,862,093.80/884,173
  6. Step 6: Final answer
    x = 664,835.80

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1.5x scale

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.