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Finding the Fourth Proportional to 448,597.44, 619,021.44 and 247,380.48

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Solution

The fourth proportional to 448,597.44, 619,021.44 and 247,380.48 is: 341,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,597.44 : 619,021.44 = 247,380.48 : x
  2. Step 2: Convert to fraction form
    448,597.44/619,021.44 = 247,380.48/x
  3. Step 3: Cross multiply
    448,597.44x = 619,021.44 × 247,380.48
  4. Step 4: Simplify right side
    448,597.44x = 153,133,820,957.49
  5. Step 5: Solve for x
    x = 153,133,820,957.49/448,597.44
  6. Step 6: Final answer
    x = 341,361.33

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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.