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Finding the Fourth Proportional to 795,989.79, 1,098,410.49 and 451,832.67

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Solution

The fourth proportional to 795,989.79, 1,098,410.49 and 451,832.67 is: 623,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,989.79 : 1,098,410.49 = 451,832.67 : x
  2. Step 2: Convert to fraction form
    795,989.79/1,098,410.49 = 451,832.67/x
  3. Step 3: Cross multiply
    795,989.79x = 1,098,410.49 × 451,832.67
  4. Step 4: Simplify right side
    795,989.79x = 496,297,744,452.71
  5. Step 5: Solve for x
    x = 496,297,744,452.71/795,989.79
  6. Step 6: Final answer
    x = 623,497.63

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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.