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Finding the Fourth Proportional to 603,758.08, 833,190.64 and 331,830.60

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Solution

The fourth proportional to 603,758.08, 833,190.64 and 331,830.60 is: 457,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,758.08 : 833,190.64 = 331,830.60 : x
  2. Step 2: Convert to fraction form
    603,758.08/833,190.64 = 331,830.60/x
  3. Step 3: Cross multiply
    603,758.08x = 833,190.64 × 331,830.60
  4. Step 4: Simplify right side
    603,758.08x = 276,478,149,985.58
  5. Step 5: Solve for x
    x = 276,478,149,985.58/603,758.08
  6. Step 6: Final answer
    x = 457,928.70

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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.