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Finding the Fourth Proportional to 603,903.33, 833,388.35 and 345,784.22

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Solution

The fourth proportional to 603,903.33, 833,388.35 and 345,784.22 is: 477,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,903.33 : 833,388.35 = 345,784.22 : x
  2. Step 2: Convert to fraction form
    603,903.33/833,388.35 = 345,784.22/x
  3. Step 3: Cross multiply
    603,903.33x = 833,388.35 × 345,784.22
  4. Step 4: Simplify right side
    603,903.33x = 288,172,534,665.97
  5. Step 5: Solve for x
    x = 288,172,534,665.97/603,903.33
  6. Step 6: Final answer
    x = 477,183.22

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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.