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Finding the Fourth Proportional to 437,633.44, 655,314.22 and 374,856.28

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Solution

The fourth proportional to 437,633.44, 655,314.22 and 374,856.28 is: 561,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,633.44 : 655,314.22 = 374,856.28 : x
  2. Step 2: Convert to fraction form
    437,633.44/655,314.22 = 374,856.28/x
  3. Step 3: Cross multiply
    437,633.44x = 655,314.22 × 374,856.28
  4. Step 4: Simplify right side
    437,633.44x = 245,648,650,740.30
  5. Step 5: Solve for x
    x = 245,648,650,740.30/437,633.44
  6. Step 6: Final answer
    x = 561,311.43

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1.5x scale

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.