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Finding the Fourth Proportional to 603,745.42, 833,187.43 and 331,808.37

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Solution

The fourth proportional to 603,745.42, 833,187.43 and 331,808.37 is: 457,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,745.42 : 833,187.43 = 331,808.37 : x
  2. Step 2: Convert to fraction form
    603,745.42/833,187.43 = 331,808.37/x
  3. Step 3: Cross multiply
    603,745.42x = 833,187.43 × 331,808.37
  4. Step 4: Simplify right side
    603,745.42x = 276,458,562,223.27
  5. Step 5: Solve for x
    x = 276,458,562,223.27/603,745.42
  6. Step 6: Final answer
    x = 457,905.86

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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.