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Finding the Fourth Proportional to 444,338.72, 613,186.08 and 243,134.72

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Solution

The fourth proportional to 444,338.72, 613,186.08 and 243,134.72 is: 335,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,338.72 : 613,186.08 = 243,134.72 : x
  2. Step 2: Convert to fraction form
    444,338.72/613,186.08 = 243,134.72/x
  3. Step 3: Cross multiply
    444,338.72x = 613,186.08 × 243,134.72
  4. Step 4: Simplify right side
    444,338.72x = 149,086,825,868.70
  5. Step 5: Solve for x
    x = 149,086,825,868.70/444,338.72
  6. Step 6: Final answer
    x = 335,525.17

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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.