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Finding the Fourth Proportional to 437,745.60, 655,581.60 and 296,740.80

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Solution

The fourth proportional to 437,745.60, 655,581.60 and 296,740.80 is: 444,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,745.60 : 655,581.60 = 296,740.80 : x
  2. Step 2: Convert to fraction form
    437,745.60/655,581.60 = 296,740.80/x
  3. Step 3: Cross multiply
    437,745.60x = 655,581.60 × 296,740.80
  4. Step 4: Simplify right side
    437,745.60x = 194,537,808,449.28
  5. Step 5: Solve for x
    x = 194,537,808,449.28/437,745.60
  6. Step 6: Final answer
    x = 444,408.37

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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.