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Finding the Fourth Proportional to 437,900.60, 655,814.10 and 296,895.80

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Solution

The fourth proportional to 437,900.60, 655,814.10 and 296,895.80 is: 444,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,900.60 : 655,814.10 = 296,895.80 : x
  2. Step 2: Convert to fraction form
    437,900.60/655,814.10 = 296,895.80/x
  3. Step 3: Cross multiply
    437,900.60x = 655,814.10 × 296,895.80
  4. Step 4: Simplify right side
    437,900.60x = 194,708,451,870.78
  5. Step 5: Solve for x
    x = 194,708,451,870.78/437,900.60
  6. Step 6: Final answer
    x = 444,640.75

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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.