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Finding the Fourth Proportional to 416,173.44, 574,326.72 and 234,921.60

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Solution

The fourth proportional to 416,173.44, 574,326.72 and 234,921.60 is: 324,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,173.44 : 574,326.72 = 234,921.60 : x
  2. Step 2: Convert to fraction form
    416,173.44/574,326.72 = 234,921.60/x
  3. Step 3: Cross multiply
    416,173.44x = 574,326.72 × 234,921.60
  4. Step 4: Simplify right side
    416,173.44x = 134,921,751,985.15
  5. Step 5: Solve for x
    x = 134,921,751,985.15/416,173.44
  6. Step 6: Final answer
    x = 324,195.97

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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.