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Finding the Fourth Proportional to 517,073.36, 775,610.26 and 162,115.04

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Solution

The fourth proportional to 517,073.36, 775,610.26 and 162,115.04 is: 243,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,073.36 : 775,610.26 = 162,115.04 : x
  2. Step 2: Convert to fraction form
    517,073.36/775,610.26 = 162,115.04/x
  3. Step 3: Cross multiply
    517,073.36x = 775,610.26 × 162,115.04
  4. Step 4: Simplify right side
    517,073.36x = 125,738,089,858.05
  5. Step 5: Solve for x
    x = 125,738,089,858.05/517,073.36
  6. Step 6: Final answer
    x = 243,172.63

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Similar ratio
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1.5x scale

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.