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Finding the Fourth Proportional to 603,920.60, 833,319.12 and 332,000

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Solution

The fourth proportional to 603,920.60, 833,319.12 and 332,000 is: 458,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,920.60 : 833,319.12 = 332,000 : x
  2. Step 2: Convert to fraction form
    603,920.60/833,319.12 = 332,000/x
  3. Step 3: Cross multiply
    603,920.60x = 833,319.12 × 332,000
  4. Step 4: Simplify right side
    603,920.60x = 276,661,947,840
  5. Step 5: Solve for x
    x = 276,661,947,840/603,920.60
  6. Step 6: Final answer
    x = 458,109.80

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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.