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Finding the Fourth Proportional to 437,912.60, 655,832.10 and 296,907.80

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Solution

The fourth proportional to 437,912.60, 655,832.10 and 296,907.80 is: 444,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,912.60 : 655,832.10 = 296,907.80 : x
  2. Step 2: Convert to fraction form
    437,912.60/655,832.10 = 296,907.80/x
  3. Step 3: Cross multiply
    437,912.60x = 655,832.10 × 296,907.80
  4. Step 4: Simplify right side
    437,912.60x = 194,721,665,980.38
  5. Step 5: Solve for x
    x = 194,721,665,980.38/437,912.60
  6. Step 6: Final answer
    x = 444,658.74

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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.