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Finding the Fourth Proportional to 538,101.24, 807,151.86 and 253,725.60

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Solution

The fourth proportional to 538,101.24, 807,151.86 and 253,725.60 is: 380,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,101.24 : 807,151.86 = 253,725.60 : x
  2. Step 2: Convert to fraction form
    538,101.24/807,151.86 = 253,725.60/x
  3. Step 3: Cross multiply
    538,101.24x = 807,151.86 × 253,725.60
  4. Step 4: Simplify right side
    538,101.24x = 204,795,089,969.62
  5. Step 5: Solve for x
    x = 204,795,089,969.62/538,101.24
  6. Step 6: Final answer
    x = 380,588.40

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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.