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Finding the Fourth Proportional to 486,571.05, 729,989.73 and 234,062.73

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Solution

The fourth proportional to 486,571.05, 729,989.73 and 234,062.73 is: 351,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,571.05 : 729,989.73 = 234,062.73 : x
  2. Step 2: Convert to fraction form
    486,571.05/729,989.73 = 234,062.73/x
  3. Step 3: Cross multiply
    486,571.05x = 729,989.73 × 234,062.73
  4. Step 4: Simplify right side
    486,571.05x = 170,863,389,075.76
  5. Step 5: Solve for x
    x = 170,863,389,075.76/486,571.05
  6. Step 6: Final answer
    x = 351,158.15

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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.