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Finding the Fourth Proportional to 483,777.77, 725,400.09 and 231,121.89

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Solution

The fourth proportional to 483,777.77, 725,400.09 and 231,121.89 is: 346,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,777.77 : 725,400.09 = 231,121.89 : x
  2. Step 2: Convert to fraction form
    483,777.77/725,400.09 = 231,121.89/x
  3. Step 3: Cross multiply
    483,777.77x = 725,400.09 × 231,121.89
  4. Step 4: Simplify right side
    483,777.77x = 167,655,839,806.97
  5. Step 5: Solve for x
    x = 167,655,839,806.97/483,777.77
  6. Step 6: Final answer
    x = 346,555.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.