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Finding the Fourth Proportional to 404,741.72, 558,540.60 and 223,453.64

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Solution

The fourth proportional to 404,741.72, 558,540.60 and 223,453.64 is: 308,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,741.72 : 558,540.60 = 223,453.64 : x
  2. Step 2: Convert to fraction form
    404,741.72/558,540.60 = 223,453.64/x
  3. Step 3: Cross multiply
    404,741.72x = 558,540.60 × 223,453.64
  4. Step 4: Simplify right side
    404,741.72x = 124,807,930,157.78
  5. Step 5: Solve for x
    x = 124,807,930,157.78/404,741.72
  6. Step 6: Final answer
    x = 308,364.38

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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.