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Finding the Fourth Proportional to 722,096.37, 996,453.50 and 431,713.80

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Solution

The fourth proportional to 722,096.37, 996,453.50 and 431,713.80 is: 595,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,096.37 : 996,453.50 = 431,713.80 : x
  2. Step 2: Convert to fraction form
    722,096.37/996,453.50 = 431,713.80/x
  3. Step 3: Cross multiply
    722,096.37x = 996,453.50 × 431,713.80
  4. Step 4: Simplify right side
    722,096.37x = 430,182,724,849.73
  5. Step 5: Solve for x
    x = 430,182,724,849.73/722,096.37
  6. Step 6: Final answer
    x = 595,741.43

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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.