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Finding the Fourth Proportional to 504,087.96, 756,131.92 and 149,074.32

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Solution

The fourth proportional to 504,087.96, 756,131.92 and 149,074.32 is: 223,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,087.96 : 756,131.92 = 149,074.32 : x
  2. Step 2: Convert to fraction form
    504,087.96/756,131.92 = 149,074.32/x
  3. Step 3: Cross multiply
    504,087.96x = 756,131.92 × 149,074.32
  4. Step 4: Simplify right side
    504,087.96x = 112,719,851,804.29
  5. Step 5: Solve for x
    x = 112,719,851,804.29/504,087.96
  6. Step 6: Final answer
    x = 223,611.47

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Double scale
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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.