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Finding the Fourth Proportional to 292,183.20, 403,250.40 and 171,331.20

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Solution

The fourth proportional to 292,183.20, 403,250.40 and 171,331.20 is: 236,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,183.20 : 403,250.40 = 171,331.20 : x
  2. Step 2: Convert to fraction form
    292,183.20/403,250.40 = 171,331.20/x
  3. Step 3: Cross multiply
    292,183.20x = 403,250.40 × 171,331.20
  4. Step 4: Simplify right side
    292,183.20x = 69,089,374,932.48
  5. Step 5: Solve for x
    x = 69,089,374,932.48/292,183.20
  6. Step 6: Final answer
    x = 236,459.09

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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.