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Finding the Fourth Proportional to 444,625.56, 613,583.28 and 243,421.56

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Solution

The fourth proportional to 444,625.56, 613,583.28 and 243,421.56 is: 335,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,625.56 : 613,583.28 = 243,421.56 : x
  2. Step 2: Convert to fraction form
    444,625.56/613,583.28 = 243,421.56/x
  3. Step 3: Cross multiply
    444,625.56x = 613,583.28 × 243,421.56
  4. Step 4: Simplify right side
    444,625.56x = 149,359,399,207.52
  5. Step 5: Solve for x
    x = 149,359,399,207.52/444,625.56
  6. Step 6: Final answer
    x = 335,921.76

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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.