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Finding the Fourth Proportional to 289,729.30, 433,557.15 and 264,846.10

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Solution

The fourth proportional to 289,729.30, 433,557.15 and 264,846.10 is: 396,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,729.30 : 433,557.15 = 264,846.10 : x
  2. Step 2: Convert to fraction form
    289,729.30/433,557.15 = 264,846.10/x
  3. Step 3: Cross multiply
    289,729.30x = 433,557.15 × 264,846.10
  4. Step 4: Simplify right side
    289,729.30x = 114,825,920,304.62
  5. Step 5: Solve for x
    x = 114,825,920,304.62/289,729.30
  6. Step 6: Final answer
    x = 396,321.39

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