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Finding the Fourth Proportional to 437,453.86, 603,686.19 and 236,249.86

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Solution

The fourth proportional to 437,453.86, 603,686.19 and 236,249.86 is: 326,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,453.86 : 603,686.19 = 236,249.86 : x
  2. Step 2: Convert to fraction form
    437,453.86/603,686.19 = 236,249.86/x
  3. Step 3: Cross multiply
    437,453.86x = 603,686.19 × 236,249.86
  4. Step 4: Simplify right side
    437,453.86x = 142,620,777,871.43
  5. Step 5: Solve for x
    x = 142,620,777,871.43/437,453.86
  6. Step 6: Final answer
    x = 326,024.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.