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Finding the Fourth Proportional to 444,221.64, 613,040.64 and 243,017.64

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Solution

The fourth proportional to 444,221.64, 613,040.64 and 243,017.64 is: 335,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,221.64 : 613,040.64 = 243,017.64 : x
  2. Step 2: Convert to fraction form
    444,221.64/613,040.64 = 243,017.64/x
  3. Step 3: Cross multiply
    444,221.64x = 613,040.64 × 243,017.64
  4. Step 4: Simplify right side
    444,221.64x = 148,979,689,556.89
  5. Step 5: Solve for x
    x = 148,979,689,556.89/444,221.64
  6. Step 6: Final answer
    x = 335,372.43

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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.