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Finding the Fourth Proportional to 444,368.89, 613,213.90 and 253,443.79

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Solution

The fourth proportional to 444,368.89, 613,213.90 and 253,443.79 is: 349,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,368.89 : 613,213.90 = 253,443.79 : x
  2. Step 2: Convert to fraction form
    444,368.89/613,213.90 = 253,443.79/x
  3. Step 3: Cross multiply
    444,368.89x = 613,213.90 × 253,443.79
  4. Step 4: Simplify right side
    444,368.89x = 155,415,254,896.68
  5. Step 5: Solve for x
    x = 155,415,254,896.68/444,368.89
  6. Step 6: Final answer
    x = 349,743.78

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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.