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Finding the Fourth Proportional to 886,204.91, 1,222,956.55 and 483,796.91

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Solution

The fourth proportional to 886,204.91, 1,222,956.55 and 483,796.91 is: 667,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,204.91 : 1,222,956.55 = 483,796.91 : x
  2. Step 2: Convert to fraction form
    886,204.91/1,222,956.55 = 483,796.91/x
  3. Step 3: Cross multiply
    886,204.91x = 1,222,956.55 × 483,796.91
  4. Step 4: Simplify right side
    886,204.91x = 591,662,599,954.26
  5. Step 5: Solve for x
    x = 591,662,599,954.26/886,204.91
  6. Step 6: Final answer
    x = 667,636.34

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Double scale
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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.