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Finding the Fourth Proportional to 454,999.60, 683,811.60 and 397,262.80

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Solution

The fourth proportional to 454,999.60, 683,811.60 and 397,262.80 is: 597,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,999.60 : 683,811.60 = 397,262.80 : x
  2. Step 2: Convert to fraction form
    454,999.60/683,811.60 = 397,262.80/x
  3. Step 3: Cross multiply
    454,999.60x = 683,811.60 × 397,262.80
  4. Step 4: Simplify right side
    454,999.60x = 271,652,910,888.48
  5. Step 5: Solve for x
    x = 271,652,910,888.48/454,999.60
  6. Step 6: Final answer
    x = 597,039.89

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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.