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Finding the Fourth Proportional to 326,540.80, 456,224 and 326,540.80

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Solution

The fourth proportional to 326,540.80, 456,224 and 326,540.80 is: 456,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,540.80 : 456,224 = 326,540.80 : x
  2. Step 2: Convert to fraction form
    326,540.80/456,224 = 326,540.80/x
  3. Step 3: Cross multiply
    326,540.80x = 456,224 × 326,540.80
  4. Step 4: Simplify right side
    326,540.80x = 148,975,749,939.20
  5. Step 5: Solve for x
    x = 148,975,749,939.20/326,540.80
  6. Step 6: Final answer
    x = 456,224.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.