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Finding the Fourth Proportional to 603,990.80, 833,486.04 and 332,056.70

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Solution

The fourth proportional to 603,990.80, 833,486.04 and 332,056.70 is: 458,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,990.80 : 833,486.04 = 332,056.70 : x
  2. Step 2: Convert to fraction form
    603,990.80/833,486.04 = 332,056.70/x
  3. Step 3: Cross multiply
    603,990.80x = 833,486.04 × 332,056.70
  4. Step 4: Simplify right side
    603,990.80x = 276,764,623,938.47
  5. Step 5: Solve for x
    x = 276,764,623,938.47/603,990.80
  6. Step 6: Final answer
    x = 458,226.56

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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.